Diffraction Structure — High efficient solid-phase microextraction based on a covalent organic framework for determination of trifluralin and chlorpyrifos in water and food samples by GC-CD-IMS

Measurement evidence

Diffraction Structure

High efficient solid-phase microextraction based on a covalent organic framework for determination of trifluralin and chlorpyrifos in water and food samples by GC-CD-IMS · Tabibi A., Jafari M.T. · Food Chemistry · 2022 · 131527

1 measurement group · 6 results

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

Powder X-ray diffraction using Cu K alpha radiation; comparison with simulated eclipsed AA and staggered AB models; Pawley refinement

X-ray diffraction and scattering

Synthesised PTA/TAPTT COF powder · Powder

PXRD patterns collected in the 1-10 deg range; simulations calculated using Materials Studio 6.0.

Geometry: powder sample
Context: pristine COF powder
Measurement source: p003-p004 · 3.1. Characterization of synthesized COF · Fig. S3; Fig. S4

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Simulated pore size from Materials Studio	~30 A	—	~	Text Approximate	p004 · 3.1. Characterization
PXRD low-intensity peak positions	4.06, 4.73, and 8.00	—	—	Text Exact Reported	p003 · 3.1. Characterization · Fig. S3
PXRD main peak assigned to 100 reflection	2.64	—	—	Text Exact Reported	p003 · 3.1. Characterization · Fig. S3
Best stacking modelMarked as a best value within this paper	eclipsed AA model more conforming than staggered AB	—	—	Text Qualitative	p003 · 3.1. Characterization · Fig. S4
Refined hexagonal unit-cell a and b	a = b = 27.100 A	—	—	Text Exact Reported	p004 · 3.1. Characterization
Refined hexagonal unit-cell c	c = 3.600 A	—	—	Text Exact Reported	p004 · 3.1. Characterization