What absorbs at 3279 cm⁻¹ in an FTIR spectrum?
A band near 3279 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 5 cited sources
Ugawaji unaowezekana wa vikundi vya kazi
| Kikundi cha kazi | Ukweli unaounga mkono | Vyanzo vilivyotajwa | Uaminifu wa juu |
|---|---|---|---|
| Hydroxyl (O-H) | 5 | 4 | 0.9 |
| Amide | 1 | 1 | 0.9 |
| N h | 1 | 1 | 0.8 |
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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Hydroxyl (O-H) uaminifu 0.9
“Strong absorption peak at 3279 due to O-H stretching vibration of pectin and SCS.”
Dhal 等 - 2023 - Formulation and Characterization of Emulgel-Based DOI: 10.3390/gels9060466 -
Hydroxyl (O-H) uaminifu 0.9
“Text: '≈3279 (O-H stretching)'”
Otalora Gonzalez 等 - 2021 - Development of functional pectin edible films with DOI: 10.1111/ijfs.14886 -
Amide uaminifu 0.9
“Explicitly assigned to amide A.”
Sharma 等 - 2009 - One-Dimensional Gold Nanoparticle Arrays by Electr DOI: 10.1002/anie.200901621. -
Hydroxyl (O-H) uaminifu 0.9
“Text: 'main peaks at ~3279 cm-1(O-H'”
Ulag 等 - 2020 - 3D printed artificial cornea for corneal stromal t DOI: 10.1016/j.eurpolymj.2020.109744 -
Hydroxyl (O-H) uaminifu 0.8
“Peaks at 3279 and 3075 attributed to vibrations of -OH and -NH”
El Moujahed 等 - 2022 - Extraction of insoluble fibrous collagen for chara DOI: 10.1039/d1ra08059h
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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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