Sensing Application — A Highly Proton-Conductive 3D Ionic Cadmium-Organic Framework for Ammonia and Amines Impedance Sensing

Measurement evidence

Sensing Application

A Highly Proton-Conductive 3D Ionic Cadmium-Organic Framework for Ammonia and Amines Impedance Sensing · Liu R., Liu Y., Yu S. et al. · ACS Applied Materials and Interfaces · 2019 · 1713-1722

5 measurement groups · 337 results

Reported values remain attached to the sample, method, conditions, extraction quality and source location that produced them.

Home-made impedance gas-sensing chamber details

MOF 1 pellet/tablet impedance gas sensor · Pellet

RH controlled by saturated water vapour/dry synthetic air ratio; analyte stream prepared by standard vapour generator and mass-flow controllers; flow 1000 +/- 1 sccm carrier gas.

Temperature: 298
Atmosphere: dry synthetic air, water-saturated air, diluted analyte
Geometry: testing chamber with Pt mesh anode/cathode holding pressed pellet
Context: pristine MOF 1
Measurement source: S-8 · Experimental Details of Impedance Gas Sensing Experiments · Figure S1

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
carrier gas flow rate	1000 +/- 1 sccm dry synthetic air	—	—	Text Exact Reported	S-8 · Experimental Details
gas response definition	Gas response = (Rair - Rgas)/Rgas x 100%	—	—	Text Exact Reported	S-8 · Experimental Details

Impedance gas-sensing response

MOF 1 pellet/tablet impedance gas sensor · Pellet

MOF 1 tablet/pellet equilibrated at fixed RH for 18 h; impedance measured after exposure to diluted NH3 or amines at 25 C and 68, 85, or 98% RH.

Temperature: 298
Atmosphere: humidified synthetic air plus analyte gas
Geometry: pellet/tablet with Pt electrodes in home-made chamber
Context: pristine MOF 1
Measurement source: 1718 · Section 3.4 · Table 2; Tables S4-S5

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
activation energy under 30 ppm dimethylamine, 68% RH	0.59 eV	—	—	Text Rounded Reported	1719-1720 · Section 3.4 · Figure 7
activation energy under 30 ppm ethylamine, 68% RH	0.68 eV	—	—	Text Rounded Reported	1719-1720 · Section 3.4 · Figure 7
activation energy under 30 ppm methylamine, 68% RH	0.52 eV	—	—	Text Rounded Reported	1719-1720 · Section 3.4 · Figure 7
activation energy under 30 ppm NH3, 68% RH	0.46 eV	—	—	Text Rounded Reported	1719-1720 · Section 3.4 · Figure 7
activation energy under 30 ppm trimethylamine, 68% RH	0.63 eV	—	—	Text Rounded Reported	1719-1720 · Section 3.4 · Figure 7
activation energy under 30 ppm dimethylamine, 98% RH	0.17 eV	—	—	Figure Axis Approximate	1719-1720 · Section 3.4 · Figure 7
activation energy under 30 ppm ethylamine, 98% RH	0.3 eV	—	—	Figure Axis Approximate	1719-1720 · Section 3.4 · Figure 7
activation energy under 30 ppm methylamine, 98% RH	0.15 eV	—	—	Figure Axis Approximate	1719-1720 · Section 3.4 · Figure 7
activation energy under 30 ppm NH3, 98% RH	0.12 eV	—	—	Figure Axis Approximate	1719-1720 · Section 3.4 · Figure 7
activation energy under 30 ppm trimethylamine, 98% RH	0.28 eV	—	—	Figure Axis Approximate	1719-1720 · Section 3.4 · Figure 7
detection limit for dimethylamine at 68% RH	9 ppm	—	—	Text Exact Reported	1718 · Section 3.4 · Table 2; Tables S4-S5
detection limit for ethylamine at 68% RH	15 ppm	—	—	Text Exact Reported	1718 · Section 3.4 · Table 2; Tables S4-S5
detection limit for methylamine at 68% RH	6 ppm	—	—	Text Exact Reported	1718 · Section 3.4 · Table 2; Tables S4-S5
detection limit for NH3 at 68% RH	3 ppm	—	—	Text Exact Reported	1718 · Section 3.4 · Table 2; Tables S4-S5
detection limit for trimethylamine at 68% RH	12 ppm	—	—	Text Exact Reported	1718 · Section 3.4 · Table 2; Tables S4-S5
detection limit for dimethylamine at 85% RH	4 ppm	—	—	Text Exact Reported	1718 · Section 3.4 · Table 2; Tables S4-S5
detection limit for ethylamine at 85% RH	9 ppm	—	—	Text Exact Reported	1718 · Section 3.4 · Table 2; Tables S4-S5
detection limit for methylamine at 85% RH	2 ppm	—	—	Text Exact Reported	1718 · Section 3.4 · Table 2; Tables S4-S5
detection limit for NH3 at 85% RH	1 ppm	—	—	Text Exact Reported	1718 · Section 3.4 · Table 2; Tables S4-S5
detection limit for trimethylamine at 85% RH	6 ppm	—	—	Text Exact Reported	1718 · Section 3.4 · Table 2; Tables S4-S5
detection limit for dimethylamine at 98% RH	0.5 ppm	—	—	Text Exact Reported	1718 · Section 3.4 · Table 2; Tables S4-S5
detection limit for ethylamine at 98% RH	4 ppm	—	—	Text Exact Reported	1718 · Section 3.4 · Table 2; Tables S4-S5
detection limit for methylamine at 98% RH	0.1 ppm	—	—	Text Exact Reported	1718 · Section 3.4 · Table 2; Tables S4-S5
detection limit for NH3 at 98% RHMarked as a best value within this paper	0.05 ppm	—	—	Text Exact Reported	1718 · Section 3.4 · Table 2; Tables S4-S5
detection limit for trimethylamine at 98% RH	1 ppm	—	—	Text Exact Reported	1718 · Section 3.4 · Table 2; Tables S4-S5
gas response to dimethylamine at 12 ppm, 68% RH	28% response at 12 ppm dimethylamine, 68% RH, 25 C	—	—	SI Table Exact Reported	S-4-S-5 · Table S5
gas response to dimethylamine at 15 ppm, 68% RH	47% response at 15 ppm dimethylamine, 68% RH, 25 C	—	—	SI Table Exact Reported	S-4-S-5 · Table S5
gas response to dimethylamine at 18 ppm, 68% RH	67% response at 18 ppm dimethylamine, 68% RH, 25 C	—	—	SI Table Exact Reported	S-4-S-5 · Table S5
gas response to dimethylamine at 21 ppm, 68% RH	85% response at 21 ppm dimethylamine, 68% RH, 25 C	—	—	SI Table Exact Reported	S-4-S-5 · Table S5
gas response to dimethylamine at 30 ppm, 68% RH	136% response at 30 ppm dimethylamine, 68% RH, 25 C	—	—	SI Table Exact Reported	S-4-S-5 · Table S5
gas response to dimethylamine at 9 ppm, 68% RH	9% response at 9 ppm dimethylamine, 68% RH, 25 C	—	—	SI Table Exact Reported	S-4-S-5 · Table S5
gas response to ethylamine at 15 ppm, 68% RH	8% response at 15 ppm ethylamine, 68% RH, 25 C	—	—	SI Table Exact Reported	S-4-S-5 · Table S5
gas response to ethylamine at 18 ppm, 68% RH	10% response at 18 ppm ethylamine, 68% RH, 25 C	—	—	SI Table Exact Reported	S-4-S-5 · Table S5
gas response to ethylamine at 21 ppm, 68% RH	16% response at 21 ppm ethylamine, 68% RH, 25 C	—	—	SI Table Exact Reported	S-4-S-5 · Table S5
gas response to ethylamine at 30 ppm, 68% RH	41% response at 30 ppm ethylamine, 68% RH, 25 C	—	—	SI Table Exact Reported	S-4-S-5 · Table S5
gas response to methylamine at 12 ppm, 68% RH	63% response at 12 ppm methylamine, 68% RH, 25 C	—	—	SI Table Exact Reported	S-4-S-5 · Table S5
gas response to methylamine at 15 ppm, 68% RH	97% response at 15 ppm methylamine, 68% RH, 25 C	—	—	SI Table Exact Reported	S-4-S-5 · Table S5
gas response to methylamine at 18 ppm, 68% RH	126% response at 18 ppm methylamine, 68% RH, 25 C	—	—	SI Table Exact Reported	S-4-S-5 · Table S5
gas response to methylamine at 21 ppm, 68% RH	151% response at 21 ppm methylamine, 68% RH, 25 C	—	—	SI Table Exact Reported	S-4-S-5 · Table S5
gas response to methylamine at 30 ppm, 68% RH	227% response at 30 ppm methylamine, 68% RH, 25 C	—	—	SI Table Exact Reported	S-4-S-5 · Table S5
gas response to methylamine at 6 ppm, 68% RH	8% response at 6 ppm methylamine, 68% RH, 25 C	—	—	SI Table Exact Reported	S-4-S-5 · Table S5
gas response to methylamine at 9 ppm, 68% RH	41% response at 9 ppm methylamine, 68% RH, 25 C	—	—	SI Table Exact Reported	S-4-S-5 · Table S5
gas response to NH3 at 12 ppm, 68% RH	131% response at 12 ppm NH3, 68% RH, 25 C	—	—	SI Table Exact Reported	S-4-S-5 · Table S5
gas response to NH3 at 15 ppm, 68% RH	174% response at 15 ppm NH3, 68% RH, 25 C	—	—	SI Table Exact Reported	S-4-S-5 · Table S5
gas response to NH3 at 18 ppm, 68% RH	212% response at 18 ppm NH3, 68% RH, 25 C	—	—	SI Table Exact Reported	S-4-S-5 · Table S5
gas response to NH3 at 21 ppm, 68% RH	241% response at 21 ppm NH3, 68% RH, 25 C	—	—	SI Table Exact Reported	S-4-S-5 · Table S5
gas response to NH3 at 30 ppm, 68% RH	363% response at 30 ppm NH3, 68% RH, 25 C	—	—	SI Table Exact Reported	S-4-S-5 · Table S5
gas response to NH3 at 3 ppm, 68% RH	10% response at 3 ppm NH3, 68% RH, 25 C	—	—	SI Table Exact Reported	S-4-S-5 · Table S5
gas response to NH3 at 6 ppm, 68% RH	44% response at 6 ppm NH3, 68% RH, 25 C	—	—	SI Table Exact Reported	S-4-S-5 · Table S5
gas response to NH3 at 9 ppm, 68% RH	98% response at 9 ppm NH3, 68% RH, 25 C	—	—	SI Table Exact Reported	S-4-S-5 · Table S5
gas response to trimethylamine at 12 ppm, 68% RH	7% response at 12 ppm trimethylamine, 68% RH, 25 C	—	—	SI Table Exact Reported	S-4-S-5 · Table S5
gas response to trimethylamine at 15 ppm, 68% RH	17% response at 15 ppm trimethylamine, 68% RH, 25 C	—	—	SI Table Exact Reported	S-4-S-5 · Table S5
gas response to trimethylamine at 18 ppm, 68% RH	30% response at 18 ppm trimethylamine, 68% RH, 25 C	—	—	SI Table Exact Reported	S-4-S-5 · Table S5
gas response to trimethylamine at 21 ppm, 68% RH	41% response at 21 ppm trimethylamine, 68% RH, 25 C	—	—	SI Table Exact Reported	S-4-S-5 · Table S5
gas response to trimethylamine at 30 ppm, 68% RH	79% response at 30 ppm trimethylamine, 68% RH, 25 C	—	—	SI Table Exact Reported	S-4-S-5 · Table S5
gas response to dimethylamine at 12 ppm, 85% RH	86% response at 12 ppm dimethylamine, 85% RH, 25 C	—	—	SI Table Exact Reported	S-4 · Table S4
gas response to dimethylamine at 15 ppm, 85% RH	129% response at 15 ppm dimethylamine, 85% RH, 25 C	—	—	SI Table Exact Reported	S-4 · Table S4
gas response to dimethylamine at 18 ppm, 85% RH	163% response at 18 ppm dimethylamine, 85% RH, 25 C	—	—	SI Table Exact Reported	S-4 · Table S4
gas response to dimethylamine at 21 ppm, 85% RH	196% response at 21 ppm dimethylamine, 85% RH, 25 C	—	—	SI Table Exact Reported	S-4 · Table S4
gas response to dimethylamine at 30 ppm, 85% RH	290% response at 30 ppm dimethylamine, 85% RH, 25 C	—	—	SI Table Exact Reported	S-4 · Table S4
gas response to dimethylamine at 4 ppm, 85% RH	11% response at 4 ppm dimethylamine, 85% RH, 25 C	—	—	SI Table Exact Reported	S-4 · Table S4
gas response to dimethylamine at 6 ppm, 85% RH	32% response at 6 ppm dimethylamine, 85% RH, 25 C	—	—	SI Table Exact Reported	S-4 · Table S4
gas response to dimethylamine at 9 ppm, 85% RH	60% response at 9 ppm dimethylamine, 85% RH, 25 C	—	—	SI Table Exact Reported	S-4 · Table S4
gas response to ethylamine at 12 ppm, 85% RH	26% response at 12 ppm ethylamine, 85% RH, 25 C	—	—	SI Table Exact Reported	S-4 · Table S4
gas response to ethylamine at 15 ppm, 85% RH	39% response at 15 ppm ethylamine, 85% RH, 25 C	—	—	SI Table Exact Reported	S-4 · Table S4
gas response to ethylamine at 18 ppm, 85% RH	48% response at 18 ppm ethylamine, 85% RH, 25 C	—	—	SI Table Exact Reported	S-4 · Table S4
gas response to ethylamine at 21 ppm, 85% RH	68% response at 21 ppm ethylamine, 85% RH, 25 C	—	—	SI Table Exact Reported	S-4 · Table S4
gas response to ethylamine at 30 ppm, 85% RH	94% response at 30 ppm ethylamine, 85% RH, 25 C	—	—	SI Table Exact Reported	S-4 · Table S4
gas response to ethylamine at 9 ppm, 85% RH	7% response at 9 ppm ethylamine, 85% RH, 25 C	—	—	SI Table Exact Reported	S-4 · Table S4
gas response to methylamine at 12 ppm, 85% RH	178% response at 12 ppm methylamine, 85% RH, 25 C	—	—	SI Table Exact Reported	S-4 · Table S4
gas response to methylamine at 15 ppm, 85% RH	246% response at 15 ppm methylamine, 85% RH, 25 C	—	—	SI Table Exact Reported	S-4 · Table S4
gas response to methylamine at 18 ppm, 85% RH	302% response at 18 ppm methylamine, 85% RH, 25 C	—	—	SI Table Exact Reported	S-4 · Table S4
gas response to methylamine at 21 ppm, 85% RH	357% response at 21 ppm methylamine, 85% RH, 25 C	—	—	SI Table Exact Reported	S-4 · Table S4
gas response to methylamine at 2 ppm, 85% RH	7% response at 2 ppm methylamine, 85% RH, 25 C	—	—	SI Table Exact Reported	S-4 · Table S4
gas response to methylamine at 30 ppm, 85% RH	505% response at 30 ppm methylamine, 85% RH, 25 C	—	—	SI Table Exact Reported	S-4 · Table S4
gas response to methylamine at 3 ppm, 85% RH	48% response at 3 ppm methylamine, 85% RH, 25 C	—	—	SI Table Exact Reported	S-4 · Table S4
gas response to methylamine at 4 ppm, 85% RH	53% response at 4 ppm methylamine, 85% RH, 25 C	—	—	SI Table Exact Reported	S-4 · Table S4
gas response to methylamine at 6 ppm, 85% RH	71% response at 6 ppm methylamine, 85% RH, 25 C	—	—	SI Table Exact Reported	S-4 · Table S4
gas response to methylamine at 9 ppm, 85% RH	136% response at 9 ppm methylamine, 85% RH, 25 C	—	—	SI Table Exact Reported	S-4 · Table S4
gas response to NH3 at 12 ppm, 85% RH	269% response at 12 ppm NH3, 85% RH, 25 C	—	—	SI Table Exact Reported	S-4 · Table S4
gas response to NH3 at 15 ppm, 85% RH	326% response at 15 ppm NH3, 85% RH, 25 C	—	—	SI Table Exact Reported	S-4 · Table S4
gas response to NH3 at 18 ppm, 85% RH	420% response at 18 ppm NH3, 85% RH, 25 C	—	—	SI Table Exact Reported	S-4 · Table S4
gas response to NH3 at 1 ppm, 85% RH	11% response at 1 ppm NH3, 85% RH, 25 C	—	—	SI Table Exact Reported	S-4 · Table S4
gas response to NH3 at 21 ppm, 85% RH	495% response at 21 ppm NH3, 85% RH, 25 C	—	—	SI Table Exact Reported	S-4 · Table S4
gas response to NH3 at 2 ppm, 85% RH	30% response at 2 ppm NH3, 85% RH, 25 C	—	—	SI Table Exact Reported	S-4 · Table S4
gas response to NH3 at 30 ppm, 85% RH	662% response at 30 ppm NH3, 85% RH, 25 C	—	—	SI Table Exact Reported	S-4 · Table S4
gas response to NH3 at 3 ppm, 85% RH	55% response at 3 ppm NH3, 85% RH, 25 C	—	—	SI Table Exact Reported	S-4 · Table S4
gas response to NH3 at 4 ppm, 85% RH	73% response at 4 ppm NH3, 85% RH, 25 C	—	—	SI Table Exact Reported	S-4 · Table S4
gas response to NH3 at 6 ppm, 85% RH	128% response at 6 ppm NH3, 85% RH, 25 C	—	—	SI Table Exact Reported	S-4 · Table S4
gas response to NH3 at 9 ppm, 85% RH	192% response at 9 ppm NH3, 85% RH, 25 C	—	—	SI Table Exact Reported	S-4 · Table S4
gas response to trimethylamine at 12 ppm, 85% RH	40% response at 12 ppm trimethylamine, 85% RH, 25 C	—	—	SI Table Exact Reported	S-4 · Table S4
gas response to trimethylamine at 15 ppm, 85% RH	58% response at 15 ppm trimethylamine, 85% RH, 25 C	—	—	SI Table Exact Reported	S-4 · Table S4
gas response to trimethylamine at 18 ppm, 85% RH	74% response at 18 ppm trimethylamine, 85% RH, 25 C	—	—	SI Table Exact Reported	S-4 · Table S4
gas response to trimethylamine at 21 ppm, 85% RH	102% response at 21 ppm trimethylamine, 85% RH, 25 C	—	—	SI Table Exact Reported	S-4 · Table S4
gas response to trimethylamine at 30 ppm, 85% RH	148% response at 30 ppm trimethylamine, 85% RH, 25 C	—	—	SI Table Exact Reported	S-4 · Table S4
gas response to trimethylamine at 6 ppm, 85% RH	5% response at 6 ppm trimethylamine, 85% RH, 25 C	—	—	SI Table Exact Reported	S-4 · Table S4
gas response to trimethylamine at 9 ppm, 85% RH	27% response at 9 ppm trimethylamine, 85% RH, 25 C	—	—	SI Table Exact Reported	S-4 · Table S4
gas response to dimethylamine at 0.5 ppm, 98% RH	13% response at 0.5 ppm dimethylamine, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to dimethylamine at 12 ppm, 98% RH	206% response at 12 ppm dimethylamine, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to dimethylamine at 15 ppm, 98% RH	261% response at 15 ppm dimethylamine, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to dimethylamine at 18 ppm, 98% RH	329% response at 18 ppm dimethylamine, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to dimethylamine at 1 ppm, 98% RH	25% response at 1 ppm dimethylamine, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to dimethylamine at 21 ppm, 98% RH	390% response at 21 ppm dimethylamine, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to dimethylamine at 30 ppm, 98% RH	548% response at 30 ppm dimethylamine, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to dimethylamine at 3 ppm, 98% RH	49% response at 3 ppm dimethylamine, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to dimethylamine at 4 ppm, 98% RH	69% response at 4 ppm dimethylamine, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to dimethylamine at 6 ppm, 98% RH	92% response at 6 ppm dimethylamine, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to dimethylamine at 9 ppm, 98% RH	152% response at 9 ppm dimethylamine, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to ethylamine at 12 ppm, 98% RH	83% response at 12 ppm ethylamine, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to ethylamine at 15 ppm, 98% RH	103% response at 15 ppm ethylamine, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to ethylamine at 18 ppm, 98% RH	135% response at 18 ppm ethylamine, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to ethylamine at 21 ppm, 98% RH	165% response at 21 ppm ethylamine, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to ethylamine at 30 ppm, 98% RH	231% response at 30 ppm ethylamine, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to ethylamine at 4 ppm, 98% RH	10% response at 4 ppm ethylamine, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to ethylamine at 6 ppm, 98% RH	28% response at 6 ppm ethylamine, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to ethylamine at 9 ppm, 98% RH	53% response at 9 ppm ethylamine, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to methylamine at 0.1 ppm, 98% RH	15% response at 0.1 ppm methylamine, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to methylamine at 0.5 ppm, 98% RH	29% response at 0.5 ppm methylamine, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to methylamine at 12 ppm, 98% RH	326% response at 12 ppm methylamine, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to methylamine at 15 ppm, 98% RH	429% response at 15 ppm methylamine, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to methylamine at 18 ppm, 98% RH	532% response at 18 ppm methylamine, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to methylamine at 1 ppm, 98% RH	45% response at 1 ppm methylamine, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to methylamine at 21 ppm, 98% RH	643% response at 21 ppm methylamine, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to methylamine at 30 ppm, 98% RH	934% response at 30 ppm methylamine, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to methylamine at 3 ppm, 98% RH	71% response at 3 ppm methylamine, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to methylamine at 4 ppm, 98% RH	93% response at 4 ppm methylamine, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to methylamine at 6 ppm, 98% RH	140% response at 6 ppm methylamine, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to methylamine at 9 ppm, 98% RH	229% response at 9 ppm methylamine, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to NH3 at 0.05 ppm, 98% RH	21% response at 0.05 ppm NH3, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to NH3 at 0.1 ppm, 98% RH	34% response at 0.1 ppm NH3, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to NH3 at 0.5 ppm, 98% RH	47% response at 0.5 ppm NH3, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to NH3 at 12 ppm, 98% RH	488% response at 12 ppm NH3, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to NH3 at 15 ppm, 98% RH	635% response at 15 ppm NH3, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to NH3 at 18 ppm, 98% RH	825% response at 18 ppm NH3, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to NH3 at 1 ppm, 98% RH	67% response at 1 ppm NH3, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to NH3 at 21 ppm, 98% RH	987% response at 21 ppm NH3, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to NH3 at 30 ppm, 98% RHMarked as a best value within this paper	1379% response at 30 ppm NH3, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to NH3 at 3 ppm, 98% RH	108% response at 3 ppm NH3, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to NH3 at 4 ppm, 98% RH	168% response at 4 ppm NH3, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to NH3 at 6 ppm, 98% RH	225% response at 6 ppm NH3, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to NH3 at 9 ppm, 98% RH	351% response at 9 ppm NH3, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to trimethylamine at 12 ppm, 98% RH	148% response at 12 ppm trimethylamine, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to trimethylamine at 15 ppm, 98% RH	179% response at 15 ppm trimethylamine, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to trimethylamine at 18 ppm, 98% RH	221% response at 18 ppm trimethylamine, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to trimethylamine at 1 ppm, 98% RH	12% response at 1 ppm trimethylamine, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to trimethylamine at 21 ppm, 98% RH	288% response at 21 ppm trimethylamine, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to trimethylamine at 30 ppm, 98% RH	381% response at 30 ppm trimethylamine, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to trimethylamine at 3 ppm, 98% RH	36% response at 3 ppm trimethylamine, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to trimethylamine at 4 ppm, 98% RH	51% response at 4 ppm trimethylamine, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to trimethylamine at 6 ppm, 98% RH	77% response at 6 ppm trimethylamine, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
gas response to trimethylamine at 9 ppm, 98% RH	119% response at 9 ppm trimethylamine, 98% RH, 25 C	—	—	Table Exact Reported	1717 · Section 3.4 · Table 2
Table 3 MOF 1 NH3 detection limit at 68% RH	3 ppm at 25 C/68% RH; gas response 243% to 25 ppm	—	—	Table Exact Reported	1718 · Section 3.4 · Table 3
Table 3 MOF 1 NH3 detection limit at 85% RH	1 ppm at 25 C/85% RH; gas response 243% to 25 ppm	—	—	Table Exact Reported	1718 · Section 3.4 · Table 3
Table 3 MOF 1 NH3 detection limit at 98% RHMarked as a best value within this paper	0.05 ppm at 25 C/98% RH; gas response 243% to 25 ppm	—	—	Table Exact Reported	1718 · Section 3.4 · Table 3

Interferent gas response at 30 ppm

MOF 1 pellet/tablet impedance gas sensor · Pellet

Responses toward N2, H2, O2, CO, CO2, benzene, n-hexane, MeOH, toluene and analyte gases at room temperature and 68/85/98% RH.

Temperature: 298
Atmosphere: humidified synthetic air plus 30 ppm gas
Geometry: pellet/tablet with Pt electrodes
Context: pristine MOF 1
Measurement source: S-5 · Table S6

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
30 ppm response to Benzene at 68% RH	2.4% at 30 ppm Benzene, 68% RH	—	—	SI Table Exact Reported	S-5 · Table S6
30 ppm response to Benzene at 85% RH	3.8% at 30 ppm Benzene, 85% RH	—	—	SI Table Exact Reported	S-5 · Table S6
30 ppm response to Benzene at 98% RH	4.5% at 30 ppm Benzene, 98% RH	—	—	SI Table Exact Reported	S-5 · Table S6
30 ppm response to CO2 at 68% RH	4% at 30 ppm CO2, 68% RH	—	—	SI Table Exact Reported	S-5 · Table S6
30 ppm response to CO2 at 85% RH	6% at 30 ppm CO2, 85% RH	—	—	SI Table Exact Reported	S-5 · Table S6
30 ppm response to CO2 at 98% RH	8.2% at 30 ppm CO2, 98% RH	—	—	SI Table Exact Reported	S-5 · Table S6
30 ppm response to CO at 68% RH	2% at 30 ppm CO, 68% RH	—	—	SI Table Exact Reported	S-5 · Table S6
30 ppm response to CO at 85% RH	2.3% at 30 ppm CO, 85% RH	—	—	SI Table Exact Reported	S-5 · Table S6
30 ppm response to CO at 98% RH	3.2% at 30 ppm CO, 98% RH	—	—	SI Table Exact Reported	S-5 · Table S6
30 ppm response to dimethylamine at 68% RH	136% at 30 ppm dimethylamine, 68% RH	—	—	SI Table Exact Reported	S-5 · Table S6
30 ppm response to dimethylamine at 85% RH	290% at 30 ppm dimethylamine, 85% RH	—	—	SI Table Exact Reported	S-5 · Table S6
30 ppm response to dimethylamine at 98% RH	548% at 30 ppm dimethylamine, 98% RH	—	—	SI Table Exact Reported	S-5 · Table S6
30 ppm response to ethylamine at 68% RH	41% at 30 ppm ethylamine, 68% RH	—	—	SI Table Exact Reported	S-5 · Table S6
30 ppm response to ethylamine at 85% RH	94% at 30 ppm ethylamine, 85% RH	—	—	SI Table Exact Reported	S-5 · Table S6
30 ppm response to ethylamine at 98% RH	231% at 30 ppm ethylamine, 98% RH	—	—	SI Table Exact Reported	S-5 · Table S6
30 ppm response to H2 at 68% RH	1.5% at 30 ppm H2, 68% RH	—	—	SI Table Exact Reported	S-5 · Table S6
30 ppm response to H2 at 85% RH	2.8% at 30 ppm H2, 85% RH	—	—	SI Table Exact Reported	S-5 · Table S6
30 ppm response to H2 at 98% RH	3.4% at 30 ppm H2, 98% RH	—	—	SI Table Exact Reported	S-5 · Table S6
30 ppm response to MeOH at 68% RH	3% at 30 ppm MeOH, 68% RH	—	—	SI Table Exact Reported	S-5 · Table S6
30 ppm response to MeOH at 85% RH	5% at 30 ppm MeOH, 85% RH	—	—	SI Table Exact Reported	S-5 · Table S6
30 ppm response to MeOH at 98% RH	9% at 30 ppm MeOH, 98% RH	—	—	SI Table Exact Reported	S-5 · Table S6
30 ppm response to methylamine at 68% RH	227% at 30 ppm methylamine, 68% RH	—	—	SI Table Exact Reported	S-5 · Table S6
30 ppm response to methylamine at 85% RH	505% at 30 ppm methylamine, 85% RH	—	—	SI Table Exact Reported	S-5 · Table S6
30 ppm response to methylamine at 98% RH	934% at 30 ppm methylamine, 98% RH	—	—	SI Table Exact Reported	S-5 · Table S6
30 ppm response to N2 at 68% RH	2% at 30 ppm N2, 68% RH	—	—	SI Table Exact Reported	S-5 · Table S6
30 ppm response to N2 at 85% RH	3.5% at 30 ppm N2, 85% RH	—	—	SI Table Exact Reported	S-5 · Table S6
30 ppm response to N2 at 98% RH	4.6% at 30 ppm N2, 98% RH	—	—	SI Table Exact Reported	S-5 · Table S6
30 ppm response to n-hexane at 68% RH	2.5% at 30 ppm n-hexane, 68% RH	—	—	SI Table Exact Reported	S-5 · Table S6
30 ppm response to n-hexane at 85% RH	4% at 30 ppm n-hexane, 85% RH	—	—	SI Table Exact Reported	S-5 · Table S6
30 ppm response to n-hexane at 98% RH	5% at 30 ppm n-hexane, 98% RH	—	—	SI Table Exact Reported	S-5 · Table S6
30 ppm response to NH3 at 68% RH	363% at 30 ppm NH3, 68% RH	—	—	SI Table Exact Reported	S-5 · Table S6
30 ppm response to NH3 at 85% RH	662% at 30 ppm NH3, 85% RH	—	—	SI Table Exact Reported	S-5 · Table S6
30 ppm response to NH3 at 98% RH	1379% at 30 ppm NH3, 98% RH	—	—	SI Table Exact Reported	S-5 · Table S6
30 ppm response to O2 at 68% RH	2% at 30 ppm O2, 68% RH	—	—	SI Table Exact Reported	S-5 · Table S6
30 ppm response to O2 at 85% RH	2.5% at 30 ppm O2, 85% RH	—	—	SI Table Exact Reported	S-5 · Table S6
30 ppm response to O2 at 98% RH	3.2% at 30 ppm O2, 98% RH	—	—	SI Table Exact Reported	S-5 · Table S6
30 ppm response to toluene at 68% RH	2% at 30 ppm toluene, 68% RH	—	—	SI Table Exact Reported	S-5 · Table S6
30 ppm response to toluene at 85% RH	3% at 30 ppm toluene, 85% RH	—	—	SI Table Exact Reported	S-5 · Table S6
30 ppm response to toluene at 98% RH	5.1% at 30 ppm toluene, 98% RH	—	—	SI Table Exact Reported	S-5 · Table S6
30 ppm response to trimethylamine at 68% RH	79% at 30 ppm trimethylamine, 68% RH	—	—	SI Table Exact Reported	S-5 · Table S6
30 ppm response to trimethylamine at 85% RH	148% at 30 ppm trimethylamine, 85% RH	—	—	SI Table Exact Reported	S-5 · Table S6
30 ppm response to trimethylamine at 98% RH	381% at 30 ppm trimethylamine, 98% RH	—	—	SI Table Exact Reported	S-5 · Table S6

Selectivity ratios versus interferent gases

MOF 1 pellet/tablet impedance gas sensor · Pellet

Selectivity s = response(analyte)/response(gas) for NH3 and amines against other gases at room temperature and 68/85/98% RH.

Temperature: 298
Atmosphere: humidified gas streams
Geometry: pellet/tablet with Pt electrodes
Context: pristine MOF 1
Measurement source: 1719 · Section 3.4 · Tables S6-S11

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
selectivity of dimethylamine versus Benzene at 68% RH	56.7	—	—	SI Table Exact Reported	S-6-S-7 · Table S9
selectivity of dimethylamine versus Benzene at 85% RH	76.3	—	—	SI Table Exact Reported	S-6-S-7 · Table S9
selectivity of dimethylamine versus Benzene at 98% RH	121.8	—	—	SI Table Exact Reported	S-6-S-7 · Table S9
selectivity of dimethylamine versus CO2 at 68% RH	34	—	—	SI Table Exact Reported	S-6-S-7 · Table S9
selectivity of dimethylamine versus CO2 at 85% RH	48.3	—	—	SI Table Exact Reported	S-6-S-7 · Table S9
selectivity of dimethylamine versus CO2 at 98% RH	66.8	—	—	SI Table Exact Reported	S-6-S-7 · Table S9
selectivity of dimethylamine versus CO at 68% RH	68	—	—	SI Table Exact Reported	S-6-S-7 · Table S9
selectivity of dimethylamine versus CO at 85% RH	126.1	—	—	SI Table Exact Reported	S-6-S-7 · Table S9
selectivity of dimethylamine versus CO at 98% RH	171.3	—	—	SI Table Exact Reported	S-6-S-7 · Table S9
selectivity of dimethylamine versus H2 at 68% RH	90.7	—	—	SI Table Exact Reported	S-6-S-7 · Table S9
selectivity of dimethylamine versus H2 at 85% RH	103.6	—	—	SI Table Exact Reported	S-6-S-7 · Table S9
selectivity of dimethylamine versus H2 at 98% RH	161.2	—	—	SI Table Exact Reported	S-6-S-7 · Table S9
selectivity of dimethylamine versus MeOH at 68% RH	45.3	—	—	SI Table Exact Reported	S-6-S-7 · Table S9
selectivity of dimethylamine versus MeOH at 85% RH	58	—	—	SI Table Exact Reported	S-6-S-7 · Table S9
selectivity of dimethylamine versus MeOH at 98% RH	60.9	—	—	SI Table Exact Reported	S-6-S-7 · Table S9
selectivity of dimethylamine versus N2 at 68% RH	68	—	—	SI Table Exact Reported	S-6-S-7 · Table S9
selectivity of dimethylamine versus N2 at 85% RH	82.9	—	—	SI Table Exact Reported	S-6-S-7 · Table S9
selectivity of dimethylamine versus N2 at 98% RH	119.1	—	—	SI Table Exact Reported	S-6-S-7 · Table S9
selectivity of dimethylamine versus n-hexane at 68% RH	54.4	—	—	SI Table Exact Reported	S-6-S-7 · Table S9
selectivity of dimethylamine versus n-hexane at 85% RH	72.5	—	—	SI Table Exact Reported	S-6-S-7 · Table S9
selectivity of dimethylamine versus n-hexane at 98% RH	109.6	—	—	SI Table Exact Reported	S-6-S-7 · Table S9
selectivity of dimethylamine versus O2 at 68% RH	68	—	—	SI Table Exact Reported	S-6-S-7 · Table S9
selectivity of dimethylamine versus O2 at 85% RH	116	—	—	SI Table Exact Reported	S-6-S-7 · Table S9
selectivity of dimethylamine versus O2 at 98% RH	171.3	—	—	SI Table Exact Reported	S-6-S-7 · Table S9
selectivity of dimethylamine versus toluene at 68% RH	68	—	—	SI Table Exact Reported	S-6-S-7 · Table S9
selectivity of dimethylamine versus toluene at 85% RH	96.7	—	—	SI Table Exact Reported	S-6-S-7 · Table S9
selectivity of dimethylamine versus toluene at 98% RH	107.5	—	—	SI Table Exact Reported	S-6-S-7 · Table S9
selectivity of ethylamine versus Benzene at 68% RH	17.1	—	—	SI Table Exact Reported	S-6 · Table S7
selectivity of ethylamine versus Benzene at 85% RH	24.7	—	—	SI Table Exact Reported	S-6 · Table S7
selectivity of ethylamine versus Benzene at 98% RH	51.3	—	—	SI Table Exact Reported	S-6 · Table S7
selectivity of ethylamine versus CO2 at 68% RH	10.3	—	—	SI Table Exact Reported	S-6 · Table S7
selectivity of ethylamine versus CO2 at 85% RH	15.7	—	—	SI Table Exact Reported	S-6 · Table S7
selectivity of ethylamine versus CO2 at 98% RH	28.2	—	—	SI Table Exact Reported	S-6 · Table S7
selectivity of ethylamine versus CO at 68% RH	20.5	—	—	SI Table Exact Reported	S-6 · Table S7
selectivity of ethylamine versus CO at 85% RH	40.9	—	—	SI Table Exact Reported	S-6 · Table S7
selectivity of ethylamine versus CO at 98% RH	72.2	—	—	SI Table Exact Reported	S-6 · Table S7
selectivity of ethylamine versus H2 at 68% RH	27.3	—	—	SI Table Exact Reported	S-6 · Table S7
selectivity of ethylamine versus H2 at 85% RH	33.6	—	—	SI Table Exact Reported	S-6 · Table S7
selectivity of ethylamine versus H2 at 98% RH	68	—	—	SI Table Exact Reported	S-6 · Table S7
selectivity of ethylamine versus MeOH at 68% RH	13.7	—	—	SI Table Exact Reported	S-6 · Table S7
selectivity of ethylamine versus MeOH at 85% RH	18.8	—	—	SI Table Exact Reported	S-6 · Table S7
selectivity of ethylamine versus MeOH at 98% RH	25.7	—	—	SI Table Exact Reported	S-6 · Table S7
selectivity of ethylamine versus N2 at 68% RH	20.5	—	—	SI Table Exact Reported	S-6 · Table S7
selectivity of ethylamine versus N2 at 85% RH	33.6	—	—	SI Table Exact Reported	S-6 · Table S7
selectivity of ethylamine versus N2 at 98% RH	50.2	—	—	SI Table Exact Reported	S-6 · Table S7
selectivity of ethylamine versus n-hexane at 68% RH	16.4	—	—	SI Table Exact Reported	S-6 · Table S7
selectivity of ethylamine versus n-hexane at 85% RH	23.5	—	—	SI Table Exact Reported	S-6 · Table S7
selectivity of ethylamine versus n-hexane at 98% RH	46.2	—	—	SI Table Exact Reported	S-6 · Table S7
selectivity of ethylamine versus O2 at 68% RH	20.5	—	—	SI Table Exact Reported	S-6 · Table S7
selectivity of ethylamine versus O2 at 85% RH	37.6	—	—	SI Table Exact Reported	S-6 · Table S7
selectivity of ethylamine versus O2 at 98% RH	72.2	—	—	SI Table Exact Reported	S-6 · Table S7
selectivity of ethylamine versus toluene at 68% RH	20.5	—	—	SI Table Exact Reported	S-6 · Table S7
selectivity of ethylamine versus toluene at 85% RH	31.3	—	—	SI Table Exact Reported	S-6 · Table S7
selectivity of ethylamine versus toluene at 98% RH	45.3	—	—	SI Table Exact Reported	S-6 · Table S7
selectivity of methylamine versus Benzene at 68% RH	94.6	—	—	SI Table Exact Reported	S-7 · Table S10
selectivity of methylamine versus Benzene at 85% RH	132.9	—	—	SI Table Exact Reported	S-7 · Table S10
selectivity of methylamine versus Benzene at 98% RH	207.6	—	—	SI Table Exact Reported	S-7 · Table S10
selectivity of methylamine versus CO2 at 68% RH	56.8	—	—	SI Table Exact Reported	S-7 · Table S10
selectivity of methylamine versus CO2 at 85% RH	84.2	—	—	SI Table Exact Reported	S-7 · Table S10
selectivity of methylamine versus CO2 at 98% RH	113.9	—	—	SI Table Exact Reported	S-7 · Table S10
selectivity of methylamine versus CO at 68% RH	113.5	—	—	SI Table Exact Reported	S-7 · Table S10
selectivity of methylamine versus CO at 85% RH	219.6	—	—	SI Table Exact Reported	S-7 · Table S10
selectivity of methylamine versus CO at 98% RH	291.9	—	—	SI Table Exact Reported	S-7 · Table S10
selectivity of methylamine versus H2 at 68% RH	151.3	—	—	SI Table Exact Reported	S-7 · Table S10
selectivity of methylamine versus H2 at 85% RH	180.4	—	—	SI Table Exact Reported	S-7 · Table S10
selectivity of methylamine versus H2 at 98% RH	274.7	—	—	SI Table Exact Reported	S-7 · Table S10
selectivity of methylamine versus MeOH at 68% RH	75.7	—	—	SI Table Exact Reported	S-7 · Table S10
selectivity of methylamine versus MeOH at 85% RH	101	—	—	SI Table Exact Reported	S-7 · Table S10
selectivity of methylamine versus MeOH at 98% RH	103.8	—	—	SI Table Exact Reported	S-7 · Table S10
selectivity of methylamine versus N2 at 68% RH	113.5	—	—	SI Table Exact Reported	S-7 · Table S10
selectivity of methylamine versus N2 at 85% RH	144.3	—	—	SI Table Exact Reported	S-7 · Table S10
selectivity of methylamine versus N2 at 98% RH	203	—	—	SI Table Exact Reported	S-7 · Table S10
selectivity of methylamine versus n-hexane at 68% RH	90.8	—	—	SI Table Exact Reported	S-7 · Table S10
selectivity of methylamine versus n-hexane at 85% RH	126.3	—	—	SI Table Exact Reported	S-7 · Table S10
selectivity of methylamine versus n-hexane at 98% RH	186.8	—	—	SI Table Exact Reported	S-7 · Table S10
selectivity of methylamine versus O2 at 68% RH	113.5	—	—	SI Table Exact Reported	S-7 · Table S10
selectivity of methylamine versus O2 at 85% RH	202	—	—	SI Table Exact Reported	S-7 · Table S10
selectivity of methylamine versus O2 at 98% RH	291.9	—	—	SI Table Exact Reported	S-7 · Table S10
selectivity of methylamine versus toluene at 68% RH	113.5	—	—	SI Table Exact Reported	S-7 · Table S10
selectivity of methylamine versus toluene at 85% RH	168.3	—	—	SI Table Exact Reported	S-7 · Table S10
selectivity of methylamine versus toluene at 98% RH	183.1	—	—	SI Table Exact Reported	S-7 · Table S10
selectivity of NH3 versus Benzene at 68% RH	151.3	—	—	SI Table Exact Reported	S-7 · Table S11
selectivity of NH3 versus Benzene at 85% RH	174.2	—	—	SI Table Exact Reported	S-7 · Table S11
selectivity of NH3 versus Benzene at 98% RH	306.4	—	—	SI Table Exact Reported	S-7 · Table S11
selectivity of NH3 versus CO2 at 68% RH	90.8	—	—	SI Table Exact Reported	S-7 · Table S11
selectivity of NH3 versus CO2 at 85% RH	110.3	—	—	SI Table Exact Reported	S-7 · Table S11
selectivity of NH3 versus CO2 at 98% RH	168.2	—	—	SI Table Exact Reported	S-7 · Table S11
selectivity of NH3 versus CO at 68% RH	181.5	—	—	SI Table Exact Reported	S-7 · Table S11
selectivity of NH3 versus CO at 85% RH	287.8	—	—	SI Table Exact Reported	S-7 · Table S11
selectivity of NH3 versus CO at 98% RH	430.9	—	—	SI Table Exact Reported	S-7 · Table S11
selectivity of NH3 versus H2 at 68% RH	242	—	—	SI Table Exact Reported	S-7 · Table S11
selectivity of NH3 versus H2 at 85% RH	236.4	—	—	SI Table Exact Reported	S-7 · Table S11
selectivity of NH3 versus H2 at 98% RH	405.6	—	—	SI Table Exact Reported	S-7 · Table S11
selectivity of NH3 versus MeOH at 68% RH	121	—	—	SI Table Exact Reported	S-7 · Table S11
selectivity of NH3 versus MeOH at 85% RH	132.4	—	—	SI Table Exact Reported	S-7 · Table S11
selectivity of NH3 versus MeOH at 98% RH	153.2	—	—	SI Table Exact Reported	S-7 · Table S11
selectivity of NH3 versus N2 at 68% RH	181.5	—	—	SI Table Exact Reported	S-7 · Table S11
selectivity of NH3 versus N2 at 85% RH	189.1	—	—	SI Table Exact Reported	S-7 · Table S11
selectivity of NH3 versus N2 at 98% RH	299.8	—	—	SI Table Exact Reported	S-7 · Table S11
selectivity of NH3 versus n-hexane at 68% RH	145.2	—	—	SI Table Exact Reported	S-7 · Table S11
selectivity of NH3 versus n-hexane at 85% RH	165.5	—	—	SI Table Exact Reported	S-7 · Table S11
selectivity of NH3 versus n-hexane at 98% RH	275.8	—	—	SI Table Exact Reported	S-7 · Table S11
selectivity of NH3 versus O2 at 68% RH	181.5	—	—	SI Table Exact Reported	S-7 · Table S11
selectivity of NH3 versus O2 at 85% RH	264.8	—	—	SI Table Exact Reported	S-7 · Table S11
selectivity of NH3 versus O2 at 98% RH	430.9	—	—	SI Table Exact Reported	S-7 · Table S11
selectivity of NH3 versus toluene at 68% RH	181.5	—	—	SI Table Exact Reported	S-7 · Table S11
selectivity of NH3 versus toluene at 85% RH	220.7	—	—	SI Table Exact Reported	S-7 · Table S11
selectivity of NH3 versus toluene at 98% RH	270.4	—	—	SI Table Exact Reported	S-7 · Table S11
selectivity of trimethylamine versus Benzene at 68% RH	32.9	—	—	SI Table Exact Reported	S-6 · Table S8
selectivity of trimethylamine versus Benzene at 85% RH	38.9	—	—	SI Table Exact Reported	S-6 · Table S8
selectivity of trimethylamine versus Benzene at 98% RH	84.7	—	—	SI Table Exact Reported	S-6 · Table S8
selectivity of trimethylamine versus CO2 at 68% RH	19.8	—	—	SI Table Exact Reported	S-6 · Table S8
selectivity of trimethylamine versus CO2 at 85% RH	24.7	—	—	SI Table Exact Reported	S-6 · Table S8
selectivity of trimethylamine versus CO2 at 98% RH	46.5	—	—	SI Table Exact Reported	S-6 · Table S8
selectivity of trimethylamine versus CO at 68% RH	39.5	—	—	SI Table Exact Reported	S-6 · Table S8
selectivity of trimethylamine versus CO at 85% RH	64.3	—	—	SI Table Exact Reported	S-6 · Table S8
selectivity of trimethylamine versus CO at 98% RH	119.1	—	—	SI Table Exact Reported	S-6 · Table S8
selectivity of trimethylamine versus H2 at 68% RH	52.7	—	—	SI Table Exact Reported	S-6 · Table S8
selectivity of trimethylamine versus H2 at 85% RH	52.9	—	—	SI Table Exact Reported	S-6 · Table S8
selectivity of trimethylamine versus H2 at 98% RH	112.1	—	—	SI Table Exact Reported	S-6 · Table S8
selectivity of trimethylamine versus MeOH at 68% RH	26.3	—	—	SI Table Exact Reported	S-6 · Table S8
selectivity of trimethylamine versus MeOH at 85% RH	29.6	—	—	SI Table Exact Reported	S-6 · Table S8
selectivity of trimethylamine versus MeOH at 98% RH	42.3	—	—	SI Table Exact Reported	S-6 · Table S8
selectivity of trimethylamine versus N2 at 68% RH	39.5	—	—	SI Table Exact Reported	S-6 · Table S8
selectivity of trimethylamine versus N2 at 85% RH	42.3	—	—	SI Table Exact Reported	S-6 · Table S8
selectivity of trimethylamine versus N2 at 98% RH	82.3	—	—	SI Table Exact Reported	S-6 · Table S8
selectivity of trimethylamine versus n-hexane at 68% RH	31.6	—	—	SI Table Exact Reported	S-6 · Table S8
selectivity of trimethylamine versus n-hexane at 85% RH	37	—	—	SI Table Exact Reported	S-6 · Table S8
selectivity of trimethylamine versus n-hexane at 98% RH	76.2	—	—	SI Table Exact Reported	S-6 · Table S8
selectivity of trimethylamine versus O2 at 68% RH	39.5	—	—	SI Table Exact Reported	S-6 · Table S8
selectivity of trimethylamine versus O2 at 85% RH	59.2	—	—	SI Table Exact Reported	S-6 · Table S8
selectivity of trimethylamine versus O2 at 98% RH	119.1	—	—	SI Table Exact Reported	S-6 · Table S8
selectivity of trimethylamine versus toluene at 68% RH	39.5	—	—	SI Table Exact Reported	S-6 · Table S8
selectivity of trimethylamine versus toluene at 85% RH	49.3	—	—	SI Table Exact Reported	S-6 · Table S8
selectivity of trimethylamine versus toluene at 98% RH	74.7	—	—	SI Table Exact Reported	S-6 · Table S8

Cycling/reproducibility gas-sensing test

MOF 1 pellet/tablet impedance gas sensor · Pellet

30 cycles for 30 ppm NH3, MA, DMA, TMA and EA at 68, 85, and 98% RH and room temperature; PXRD before/after cycling and after two months.

Temperature: 298
Atmosphere: humidified gas streams
Geometry: pellet/tablet with Pt electrodes
Context: pristine MOF 1
Measurement source: 1719 · Section 3.4 · Figures S17-S21

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
cycling stability over 30 cycles	response decreases very little after 30 cycles	—	—	Text Qualitative	1719 · Section 3.4 · Figures S17-S19
resistance recovery time after gas removal	constant value after 5 min	—	—	Text Rounded Reported	1719 · Section 3.4
resistance fall time under detected gas	constant value after 8 min	—	—	Text Rounded Reported	1719 · Section 3.4
sensor structural stability under test environment	maintained integrity for 2 months	—	—	Text Rounded Reported	1719 · Section 3.4 · Figure S21