What absorbs at 1732 cm⁻¹ in an FTIR spectrum?
A band near 1732 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 8 cited sources
Ugawaji unaowezekana wa vikundi vya kazi
| Kikundi cha kazi | Ukweli unaounga mkono | Vyanzo vilivyotajwa | Uaminifu wa juu |
|---|---|---|---|
| Carbonyl (C=O) | 17 | 16 | 1.0 |
| Ester | 3 | 2 | 0.9 |
| Carboxyl (COOH) | 2 | 2 | 1.0 |
Cheo kinaonyesha ushahidi wa fasihi uliokusanywa, si sheria moja yenye mamlaka. Thibitisha kila mara dhidi ya mazingira ya sampuli yako.
Fasihi nyuma ya ugawaji huu
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Carbonyl (C=O) uaminifu 1.0
“Peaks between 1629.45 and 1732.02 characteristic of carbonyl group”
Hamouda 等 - 2020 - Bioprocessing strategies for cost-effective simult DOI: 10.1038/s41598-020-70251-3 -
uaminifu 1.0
“explicit assignment in text”
Hrcka 等 - 2022 - Dry-Matter Loss and Changes in the Chemical Compos DOI: 10.3390/polym14163400 -
Carboxyl (COOH) uaminifu 1.0
“Assignment: 'band at 1732 ... ν as(C=O) which corresponds to the asymmetric stretch of uncoordinated carboxylic acids'”
Maranescu 等 - 2018 - The corrosion inhibitor behavior of iron in saline DOI: 10.1515/pac-2018-0513 -
Carbonyl (C=O) uaminifu 0.95
“Text: 'peak at 1732 ... attributed to a carbonyl group of hemicellulose'.”
Boonsuk 等 - 2021 - Structure-properties relationships in alkaline tre DOI: 10.1016/j.aiepr.2019.11.003. -
uaminifu 0.9
“Explicit assignment: 'acetoxy ester band at 1732'.”
Boukir 等 - 2019 - Structural characterization of Argania spinosa Mor DOI: 10.1016/j.heliyon.2019.e02477 -
Carbonyl (C=O) uaminifu 0.9
“Explicit assignment in text”
Chieng 等 - 2017 - Isolation and Characterization of Cellulose Nanocr DOI: 10.3390/polym9080355 -
Carbonyl (C=O) uaminifu 0.9
“Disappearance of C=O peak at 1732 with treatment.”
Hussin 等 - 2020 - Extraction and Characterization of Nanocellulose f DOI: 10.1007/s13369-019-04131-y -
uaminifu 0.9
“Text: 'peaks at 1706, 1732, and 1225 (linked to crocin)'.”
Naim 等 - 2022 - ATR-FTIR spectroscopy combined with DNA barcoding DOI: 10.1016/j.vibspec.2022.103446
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Pakia wigo wako wa FTIR na upate ripoti kamili ya tafsiri — ugawaji wa vilele na marejeleo ya fasihi, ulinganishaji wa maktaba, na mlolongo wa ushahidi wenye kiwango cha uaminifu — kwa sekunde.
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