What absorbs at 3424 cm⁻¹ in an FTIR spectrum?
A band near 3424 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) | 5 | 5 | 0.9 |
| N h | 1 | 1 | 1.0 |
| Amide | 1 | 1 | 0.9 |
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
“Explicitly assigned in text.”
Amin 等 - 2022 - Spectroscopic and Physicochemical Investigations o DOI: 10.3390/ma15207197 -
Amide 信心 0.9
“Peak at 3423.77 cm-1 observed in Amide-A region.”
Sharma 和 Saini - 2021 - Postharvest shelf-life extension of fresh-cut guav DOI: 10.1016/j.fhfh.2021.100015 -
Hydroxyl (O-H) 信心 0.9
“Characteristic peak due to vibration of O-H.”
Balu 等 - 2020 - Facile biogenic fabrication of hydroxyapatite nano DOI: 10.3762/bjnano.11.21 -
Hydroxyl (O-H) 信心 0.9
“Broad peak at 3424 cm-1 represents O-H stretching vibration.”
Deng 等 - 2019 - New Insights into the Interaction between Graphene DOI: 10.3390/nano9101429 -
Hydroxyl (O-H) 信心 0.9
“Text: 'O-H stretching at 3424'.”
Huang - 2021 - Characteristics and Preparation of Designed Algina DOI: 10.3390/polym13203464 -
Hydroxyl (O-H) 信心 0.9
“Text: 'A prominent band observed at 3424 corresponded to hydroxyl groups.'”
Madariaga-Navarrete 等 - 2021 - Kalanchoe daigremontiana Functional Properties an DOI: 10.5530/ijper.55.2.82 -
Hydroxyl (O-H) 信心 0.7
“Intense peak at 3424 cm-1 typical of O-H stretch.”
Fooladi 等 - 2022 - Production of Childinan SF-2 as Bioactive Compound DOI: 10.30498/ijb.2022.282126.3032 -
信心 0.7
“Broad band at 3424 cm-1.”
Khan 和 Siddiqui - 2018 - Ce@STANPsZrO2 as Nanocatalyst for Multicomponent DOI: 10.1021/acsomega.8b01043
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