What absorbs at 3452 cm⁻¹ in an FTIR spectrum?
A band near 3452 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 8 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 |
|---|---|---|---|
| Hydroxyl (O-H) | 8 | 8 | 1.0 |
| N h | 1 | 1 | 1.0 |
| Carboxyl (COOH) | 1 | 1 | 0.95 |
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
-
Hydroxyl (O-H) 信心 1.0
“Correlated to hydroxyl and amino groups.”
Dewi 等 - 2023 - Biologically-induced synthetic manganese carbonate DOI: 10.1016/j.heliyon.2023.e15919 -
Hydroxyl (O-H) 信心 0.95
“Text: 'broad band at 3452 cm-1 was observed due to the hydroxyl groups'.”
Sathya Seeli 等 - 2023 - Zinc Oxide-Incorporated Chitosan-Poly(methacrylic DOI: 10.3390/jfb14040228 -
Carboxyl (COOH) 信心 0.95
“Explicit assignment: ascribed to the -OH of carboxylic group”
Selepe 等 - 2022 - Electro-Catalytic Properties of Palladium and Pall DOI: 10.3390/catal12060608 -
Hydroxyl (O-H) 信心 0.95
“Text: 'and the O-H stretch at cm-1. 3452'.”
Thiyagarajan 等 - 2019 - Preparation and Biopharmaceutical Evaluation of No DOI: 10.4274/tjps.galenos.2018.21043 -
Hydroxyl (O-H) 信心 0.9
“O-H stretching mode at 3451.963”
Farhat 等 - 2018 - Synthesis and Characterization of Er-Doped Nano Zn DOI: 10.1007/s10948-017-4548-9 -
Hydroxyl (O-H) 信心 0.9
“Explicitly assigned to OH.”
Silva Filho 等 - 2020 - A thermal method for obtention of 2 to 3 reduced g DOI: 10.1007/s42452-020-03241-9 -
Hydroxyl (O-H) 信心 0.9
“Explicit assignment for NaCMNC”
Kadry - 2019 - Comparison between gelatincarboxymethyl cellulose DOI: 10.1016/j.heliyon.2019.e02404 -
Hydroxyl (O-H) 信心 0.9
“Stretching vibration of O-H, physically absorbed water.”
Wang 等 - 2021 - Melting Characteristics of Coal Ash and Properties DOI: 10.1021/acsomega.1c01949
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