What absorbs at 3694 cm⁻¹ in an FTIR spectrum?
A band near 3694 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
Moguće dodjele funkcionalnih skupina
| Funkcionalna skupina | Potporni dokazi | Citirani izvori | Najveća pouzdanost |
|---|---|---|---|
| Hydroxyl (O-H) | 4 | 1 | 1,0 |
| Carboxyl (COOH) | 1 | 1 | 1,0 |
Rangiranje odražava akumulirane literaturne dokaze, a ne jedno autoritativno pravilo. Uvijek provjerite u kontekstu vašeg uzorka.
Literatura iza ovih dodjela
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Carboxyl (COOH) pouzdanost 1,0
“In the O-H cm-1 stretching region, the untreated HNT and acid-treated HNT showed bands at 3694 cm-1, and 3622 which correspond to inner surface and outer surface hydroxyl groups stretching, respectively.”
Selectively Etched Halloysite Nanotubes as Performance Booster of Epoxidized Natural Rubber Composites DOI: 10.3390/polym13203536 -
Hydroxyl (O-H) pouzdanost 1,0
“LLM confirmed rule peak-group candidate”
Multi-Method Analysis of Painting Materials in Murals of the North Mosque (Linqing, China) DOI: 10.3390/coatings13071298
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