What absorbs at 3311 cm⁻¹ in an FTIR spectrum?
A band near 3311 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 4 cited sources
Ugawaji unaowezekana wa vikundi vya kazi
| Kikundi cha kazi | Ukweli unaounga mkono | Vyanzo vilivyotajwa | Uaminifu wa juu |
|---|---|---|---|
| Hydroxyl (O-H) | 4 | 4 | 0.95 |
| Phenolic | 1 | 1 | 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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Hydroxyl (O-H) uaminifu 0.95
“Text: 'absorption spectrum at 3311 cm-1. Vibrations of -OH groups from water absorbed by starch'.”
Sasimowski 等 - 2020 - Analysis of Selected Properties of Biocomposites B DOI: 10.3390/ma13184182 -
Hydroxyl (O-H) uaminifu 0.9
“Text: 'the peak at 3311 cm-1 indicates the hydroxyl group (-OH)'”
Kumar 等 - 2020 - Structural, optical and conductivity study of hydr DOI: 10.1088/2053-1591/ab691f -
Hydroxyl (O-H) uaminifu 0.9
“Explicit assignment: 'extensive absorption band at 3310.7 was also ascribed ... to the hydroxyl (OH) group within phenolic compounds as well as alcohols.'”
Aziz 等 - 2019 - Fabrication of Interconnected Plasmonic Spherical DOI: 10.3390/nano9111557 -
Hydroxyl (O-H) uaminifu 0.9
“Explicit assignment: 'broad absorption band at 3310.7 was linked to the hydroxyl (OH) functional groups in alcohols and phenolic compounds.'”
Brza 等 - 2020 - Tea from the drinking to the synthesis of metal co DOI: 10.1038/s41598-020-75138-x
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.
Tafsiri wigo wangu