Spectroscopy — 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

Spectroscopy

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 · 2 results

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

FT-IR spectroscopy

Infrared spectroscopy

Synthesised PTA/TAPTT COF powder · Powder

Spectra obtained on Jasco FT-IR 350 in the 400-4000 cm-1 range for precursors, TAPTT, and final COF.

Geometry: powder sample
Context: pristine COF powder and precursor comparison
Measurement source: p002-p004 · 2.2. Instrumentation; 3.1. Characterization · Fig. S5

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
New C-N bond in final COF	1330 cm-1	—	—	Text Exact Reported	p004 · 3.1. Characterization · Fig. S5
C=O bond shift after imide formation	80 cm-1 shift	—	—	Text Exact Reported	p004 · 3.1. Characterization · Fig. S5