What absorbs at 3028 cm⁻¹ in an FTIR spectrum?
A band near 3028 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
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 | 2 | 2 | 1.0 |
| N h | 2 | 2 | 1.0 |
| C c single bond | 1 | 1 | 1.0 |
| Aromatic ring | 1 | 1 | 1.0 |
| Amine primary | 1 | 1 | 1.0 |
| Hydroxyl (O-H) | 1 | 1 | 1.0 |
| Secondary amine | 1 | 1 | 1.0 |
| Alkene (C=C) | 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
-
N h 信心 1.0
“N-H peaks in the complexed materials are the stretching shifts in 3126cm-1 3028cm-1 4+ NH from to and that of the bending mode 1441cm-1 1433cm-1 H-N-H 0.001 of from to when 30 wt.”
Synthesis and characterizations of phthaloyl chitosan-based polymer electrolytes DOI: 10.1016/j.jnoncrysol.2012.04.019 -
Hydroxyl (O-H) 信心 1.0
“Immobilized graphene exhibits many and free hydroxyl stretch peak at 3028 Next, the cm21, prominent bands in the region of 675 to 1350 which can functionalized graphene sheets were treated with glutaraldehyde be attributed to aliphatic and”
Kishore 等 - 2012 - Immobilization of beta-Galactosidase onto Function DOI: 10.1371/journal.pone.0040708 -
信心 1.0
“whilst the characteristic peaks of CA (3028, 1678 and 1495 β-CD in Figure 3d is akin to that of due to its higher molecular weight compared with CA [32,33].”
Molecular Assembly between Weak Crosslinking Cyclodextrin Polymer and trans-Cinnamaldehyde for Corrosion Inhibition towards Mild Steel in 3.5% NaCl Solution: Experimental and Theoretical Studies DOI: 10.3390/polym11040635 -
Amine primary 信心 1.0
“These bands, which are also present in the spectrum of the 4-aminothiophenol reactant, result from the presence of the covalently-bound aromatic modifier at the material cm-1), surface, and can be ascribed to aromatic primary amine N-H stre”
Systematic optimization of poly(vinyl chloride) surface modification with an aromatic thiol DOI: 10.1016/j.eurpolymj.2017.09.030 -
Alkyl C-H 信心 0.9
“Explicit assignment in text”
Nanoemulsion and nanogel containing Artemisia dracunculus essential oil; larvicidal effect and antibacterial activity DOI: 10.1186/s13104-022-06135-8 -
Alkene (C=C) 信心 0.8
“Text: '3028 m, stretch' and 'C=C'”
Data analysis of “krokodil” samples obtained by street-like synthesis DOI: 10.1016/j.dib.2015.11.046 -
信心 0.8
“Characteristic peak at 3028 attributed to SP2.”
Nanoliposomes containing three essential oils from the Artemisia genus as effective larvicides against Aedes aegypti and Anopheles stephensi DOI: 10.1038/s41598-023-38284-6
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