What absorbs at 3481 cm⁻¹ in an FTIR spectrum?
A band near 3481 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
可能性のある官能基アサイン
| 官能基 | 裏付け事実 | 引用元 | 最高信頼度 |
|---|---|---|---|
| Hydroxyl (O-H) | 4 | 3 | 1.0 |
| N h | 1 | 1 | 1.0 |
ランキングは蓄積された文献証拠を反映しており、単一の権威あるルールではありません。常にサンプルのコンテキストと照合して確認してください。
これらのアサインの根拠となる文献
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信頼度 1.0
“The cm-1 FTIR spectrum of Docetaxel showed characteristic peaks at 3481 for N-H stretching cm-1 cm-1 cm-1 and 3337.96 for O-H stretching.”
Synthesis and Characterization of Carboxymethyl Chitosan Nanosponges with Cyclodextrin Blends for Drug Solubility Improvement DOI: 10.3390/gels8010055 -
Hydroxyl (O-H) 信頼度 1.0
“7, the absorbance bands of TLSB were found at 3400-3690 with a peak cm-1, at 3481 which can be attributed to the O-H stretching of hydroxyl groups and intermolecular hydrogen”
Enhanced heavy metal removal from an aqueous environment using an eco-friendly and sustainable adsorbent DOI: 10.1038/s41598-020-73570-7 -
Hydroxyl (O-H) 信頼度 0.9
“Text states '3481 ... relates to the O-H region'.”
Daniel 等 - 2020 - Citric acid modified cellulose a cost effective a DOI: 10.1080/15567036.2020.1773963 -
Hydroxyl (O-H) 信頼度 0.8
“attributed to -OH stretching”
Chiral Tartaric Acid Improves Fracture Toughness of Bioactive Brushite–Collagen Bone Cements DOI: 10.1021/acsabm.0c00555
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