What absorbs at 3470 cm⁻¹ in an FTIR spectrum?
A band near 3470 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 7 cited sources
Caktime të mundshme të grupeve funksionale
| Grup funksional | Fakte mbështetëse | Burimet e cituara | Besueshmëri e lartë |
|---|---|---|---|
| Hydroxyl (O-H) | 5 | 5 | 1,0 |
| Secondary amine | 1 | 1 | 0,9 |
| Amine primary | 1 | 1 | 0,9 |
Renditja pasqyron provat e grumbulluara të literaturës, jo një rregull të vetëm autoritar. Gjithmonë konfirmoni në kontekstin e mostrës suaj.
Literatura pas këtyre caktimeve
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Hydroxyl (O-H) besueshmëri 1,0
“broad absorption band ascribed to O-H stretching”
Tyrka 等 - 2022 - Cellulose Acetate Membranes Modification by Aminos DOI: 10.3390/membranes12010033 -
Hydroxyl (O-H) besueshmëri 0,95
“Stretching vibration absorption peak of O-H.”
Wang 等 - 2022 - Application of a Superplasticizer in Scheelite Sel DOI: 10.3390/min12040483 -
Amine primary besueshmëri 0,9
“Corresponding to stretching vibrations of primary and secondary amine.”
Diop 等 - 2017 - Synthesis and characterization of lignin-melamine- DOI: 10.1177/0892705716632856 -
Hydroxyl (O-H) besueshmëri 0,9
“Peak at 3470 cm-1 assigned to OH stretching.”
Kim 和 Kim - 2013 - Preparation of Surface-Hydrolyzed Cellulose Acetat DOI: 10.7317/pk.2013.37.1.52 -
besueshmëri 0,9
“Explicit assignment in text.”
McCoy 等 - 2017 - Systematic optimization of poly(vinyl chloride) su DOI: 10.1016/j.eurpolymj.2017.09.030 -
Hydroxyl (O-H) besueshmëri 0,9
“assigned to vibrations of -OH groups”
Yilmaztekin 等 - 2019 - Characterisation of peppermint (Mentha piperita L. DOI: 10.1080/02652048.2019.1607596 -
Hydroxyl (O-H) besueshmëri 0,8
“Stretching vibrations of O-H of water molecules.”
Indumathi 等 - 2021 - Effects of Nd doping on structural, optical, morph DOI: 10.1016/j.surfin.2021.101000
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Ngarkoni spektrin tuaj FTIR dhe merrni një raport të plotë interpretimi — caktim i pikut me citime literaturë, përputhje biblioteke dhe një zinxhir provash të vlerësuar me besueshmëri — në sekonda.
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