What absorbs at 1751 cm⁻¹ in an FTIR spectrum?
A band near 1751 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
Ugawaji unaowezekana wa vikundi vya kazi
| Kikundi cha kazi | Ukweli unaounga mkono | Vyanzo vilivyotajwa | Uaminifu wa juu |
|---|---|---|---|
| Carbonyl (C=O) | 5 | 4 | 1.0 |
| Ester | 3 | 3 | 0.9 |
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
“Strong C=O absorption”
Du 等 - 2022 - Intraand Intermolecular Hydrogen Bonding in Misc DOI: 10.3390/ijms23137018 -
Carbonyl (C=O) uaminifu 0.9
“Text states 'C=O around 1751 cm-1'.”
Nyanhongo 等 - 2013 - Bioactive albumin functionalized polylactic acid m DOI: 10.1016/j.reactfunctpolym.2012.12.007 -
Ester uaminifu 0.9
“Absorption in ester region.”
Tain 等 - 2020 - Synthesis and Characterization of Novel Resveratro DOI: 10.3390/molecules25184199 -
Ester uaminifu 0.9
“New absorption band ascribed to ester C=O stretching.”
Tain 等 - 2021 - Synthesis of Short-Chain-Fatty-Acid Resveratrol Es DOI: 10.3390/antiox10030420 -
Carbonyl (C=O) uaminifu 0.9
“Explicit assignment in text: 'positive peak at 1751 i.e., C=O stretching, related to total lipid content'”
Rachah 等 - 2021 - Exploring Dry-Film FTIR Spectroscopy to Characteri DOI: 10.3390/foods -
Ester uaminifu 0.9
“Explicit assignment: 'absorption band at 1751 characteristic of C=O stretching of ester'.”
Victor 等 - 2017 - Synthesis and Evaluation of Cytotoxic Effects of A DOI: 10.21577/0103-5053.20170064 -
Carbonyl (C=O) uaminifu 0.9
“Stretching vibration of -C=O.”
Zhukova 等 - 2021 - Polymer Composite Materials Based on Polylactide w DOI: 10.3390/polym13142367
Una wigo wenye bendi hii?
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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