What absorbs at 2540 cm⁻¹ in an FTIR spectrum?
A band near 2540 cm⁻¹ can point to several functional groups. Below are the most likely assignments, ranked by how much published evidence supports each — every one traceable to literature (DOI) and cross-validated against our 130,000+ reference spectra and knowledge graph.
Backed by 2 cited sources
Možne dodelitve funkcionalnih skupin
| Funkcionalna skupina | Podporna dejstva | Citirani viri | Najvišje zaupanje |
|---|---|---|---|
| N h | 1 | 1 | 1,0 |
| Methacrylate | 1 | 1 | 1,0 |
| Ketone | 1 | 1 | 1,0 |
| Ester | 1 | 1 | 1,0 |
| Carboxyl (COOH) | 1 | 1 | 1,0 |
| Carbonyl (C=O) | 1 | 1 | 1,0 |
| Amide | 1 | 1 | 1,0 |
| Acetate | 1 | 1 | 1,0 |
Razvrstitev odraža zbrane literaturne dokaze, ne enega avtoritativnega pravila. Vedno preverite glede na kontekst vašega vzorca.
Literatura za temi dodelitvami
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Acetate zaupanje 1,0
“The absorption at 1673cm-1 and the C=O stretching band at increased simulta2540cm-1”
Du 等 - 2019 - Cure Kinetics of an Optical Polythiourethane with DOI: 10.1155/2019/8194379 -
zaupanje 1,0
“The cm-1, most distinctive band is around 2540 attributed to the Adulterant(s) Number of samples N-H stretching due to the hydrochloride salt formation.”
Rodrigues 等 - 2013 - Analysis of Seized Cocaine Samples by using Chemom DOI: 10.5935/0103-5053.20130066
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