What absorbs at 3282 cm⁻¹ in an FTIR spectrum?
A band near 3282 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 6 cited sources
Mga posibleng pagtatalaga ng functional-group
| Functional group | Mga sumusuportang katotohanan | Mga nasiping sanggunian | Pinakamataas na kumpiyansa |
|---|---|---|---|
| Hydroxyl (O-H) | 3 | 3 | 0.9 |
| Amine primary | 1 | 1 | 0.9 |
| Amide | 1 | 1 | 0.9 |
| Carbohydrate | 1 | 1 | 0.7 |
| Amino acid | 1 | 1 | 0.7 |
Ang pagraranggo ay sumasalamin sa naipon na ebidensya ng literatura, hindi isang solong awtoritatibong tuntunin. Palaging kumpirmahin laban sa konteksto ng iyong sample.
Literatura sa likod ng mga pagtatalagang ito
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Hydroxyl (O-H) kumpiyansa 0.9
“Sharp peak at 3282 cm-1 assigned to stretched hydroxyl O-H groups.”
Abbas 等 - 2022 - Evaluation of OKRA (Abelmoschus esculentus) Macrom DOI: 10.3390/en15186827 -
Hydroxyl (O-H) kumpiyansa 0.9
“Broad absorption band belongs to O-H stretch.”
Adam 等 - 2023 - Insight into the Effect of Glycerol on Dielectric DOI: 10.3390/molecules28083461 -
Amide kumpiyansa 0.9
“Text: 'amide A (3282 cm-1)'.”
Ciurko 等 - 2019 - Enzymatic bioconversion of feather waste with kera DOI: 10.2478/pjct-2019-0030 -
Hydroxyl (O-H) kumpiyansa 0.9
“Broad peak at 3282 indicates presence of O-H groups.”
Islam 等 - 2021 - Preparation and Evaluation of Rice Bran-Modified U DOI: 10.1002/gch2.202000044. -
Amine primary kumpiyansa 0.9
“amine (NH2) bands”
Yarnpakdee 等 - 2022 - Extraction and Physico-Chemical Characterization o DOI: 10.3390/polym14193983 -
Amino acid kumpiyansa 0.7
“Strong broad band associated with amino acids and polysaccharides.”
El-Sayed 和 Ismail - 2022 - Physico-chemodiversity variation between the most DOI: 10.1016/j.heliyon.2022.e12457
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