What absorbs at 3357 cm⁻¹ in an FTIR spectrum?
A band near 3357 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 4 cited sources
Moguće dodjele funkcionalnih skupina
| Funkcionalna skupina | Potporni dokazi | Citirani izvori | Najveća pouzdanost |
|---|---|---|---|
| N h | 3 | 3 | 1,0 |
| Hydroxyl (O-H) | 2 | 1 | 0,9 |
| Hydrogen bond | 1 | 1 | 0,9 |
Rangiranje odražava akumulirane literaturne dokaze, a ne jedno autoritativno pravilo. Uvijek provjerite u kontekstu vašeg uzorka.
Literatura iza ovih dodjela
-
N h pouzdanost 1,0
“Stretching vibrations of -NH.”
Naseem 等 - 2020 - Mesoporous ZnAl2Si10O24 nanofertilizers enable hig DOI: 10.1038/s41598-020-67611-4 -
N h pouzdanost 0,9
“Explicit assignment in text.”
El-araby 等 - 2022 - Physicochemical Properties and Functional Characte DOI: 10.3390/molecules27238285 -
Hydrogen bond pouzdanost 0,9
“Explicit assignment.”
Garcia Schejtman 等 - 2015 - Gelatin films dendronized selectively on one side DOI: 10.1007/s00289-015-1452-y -
N h pouzdanost 0,9
“Text: 'absorption band at 3357.15 ... attributable to the N-H stretching band'”
Larbi 等 - 2018 - Enhancement of the dissolution profile of the diur DOI: 10.2298/JSC171112065LA
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