What absorbs at 2881 cm⁻¹ in an FTIR spectrum?
A band near 2881 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
可能的官能基指派
| 官能基 | 支持事實 | 引用來源 | 最高信心 |
|---|---|---|---|
| Alkyl C-H | 4 | 4 | 0.9 |
| Hydroxyl (O-H) | 1 | 1 | 0.9 |
| Carboxyl (COOH) | 1 | 1 | 0.8 |
排名反映累積的文獻證據,而非單一權威規則。請務必根據您的樣品背景進行確認。
這些指派背後的文獻
-
Alkyl C-H 信心 0.9
“Explicitly assigned.”
Chaiwarit 等 - 2022 - Fabrication and Evaluation of Water Hyacinth Cellu DOI: 10.3390/gels8120767 -
Hydroxyl (O-H) 信心 0.9
“Assigned to O-H groups of bamboo surface and deposited ZnO.”
Jin 等 - 2014 - Cross-Linked ZnO Nanowalls Immobilized onto Bamboo DOI: 10.1155/2014/687350 -
Alkyl C-H 信心 0.9
“stretching vibrations due to CH groups”
Katherine 等 - 2017 - Xanthan gum production using jackfruit-seed-powder DOI: 10.1007/s13205-017-0876-5 -
Alkyl C-H 信心 0.8
“Stretching of CH and stretching of C-COO”
Gupta 等 - 2018 - Effects of Amphiphilic Chitosan on Stereocomplexat DOI: 10.1038/s41598-018-22281-1 -
Alkyl C-H 信心 0.8
“Weak band observed at 2880.79 cm-1 assigned to H-C-H symmetric stretching of alkanes.”
Rashid 等 - 2016 - Anthelmintic activity of silver-extract nanopartic DOI: 10.1186/s12906-016-1219-5
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