What absorbs at 3607 cm⁻¹ in an FTIR spectrum?
A band near 3607 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
快速回答
A band near 3607 cm⁻¹ is usually interpreted by checking which functional groups repeatedly co-occur there in the literature, then confirming at least one or two additional peaks in the same sample. This page ranks those assignments by accumulated evidence rather than by a single fixed textbook rule.
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) | 3 | 3 | 1.0 |
| Water (H2O) | 3 | 2 | 1.0 |
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。
光譜邏輯
This band becomes meaningful only when read with its neighboring peaks. In practice, analysts first look at the assignments above, then check whether the same sample also shows other peaks expected for the same structural motif. A lone band near 3607 cm⁻¹ is usually not enough for material identification by itself.
實際使用
此類查詢常見於聚合物鑑別、未知塑膠篩選、品管故障排除、再生材料驗證，以及基於文獻的峰值歸屬審查。
常見錯誤
- 將一個孤立的譜帶視為材料的證據，而未檢查至少一兩個支持峰。
- 忽略重疊：多個官能團可能在相同波數附近貢獻。
- 當添加劑、混合物、氧化或污染物可能扭曲譜圖時，跳過驗證。
驗證建議
當仍然存在歧義時，使用DSC、GC-MS或TGA驗證假設，特別是對於混合物、降解樣品和填充聚合物。
這些指派背後的文獻
-
Hydroxyl (O-H) 信心 1.0
“Background IR spectra: hydroxyl region 2O 3crystalsindicatesthatchromiumiswelldischaracteristicofCr The IR spectrum of activated HAlBEA exhibits four bands at 3607cm(cid:2)1 (Fig.”
Influence of dealumination and treatments on the chromium speciation in zeolite CrBEA DOI: 10.1016/j.micromeso.2009.04.038 -
Hydroxyl (O-H) 信心 1.0
“O-H Two water stretching bands of BR at 3607 and 3577 cm-1 seen in the L minus BR difference spectrum are affected by mutation of Thr46 (27, 36).”
Maeda 等 - 1999 - Chromophore-protein-water interactions in the L in DOI: 10.1021/bi9907072 -
Water (H2O) 信心 1.0
“LLM confirmed rule peak-group candidate”
Simu 等 - 2022 - Thermal Degradation Process of Ethinylestradiol-Ki DOI: 10.3390/pr10081518 -
Hydroxyl (O-H) 信心 1.0
“Vibration Mode A 3606.638 O-H Stretching B”
Untargeted Metabolomics Analysis Using FTIR and UHPLC-Q-Orbitrap HRMS of Two Curculigo Species and Evaluation of Their Antioxidant and -Glucosidase Inhibitory Activities DOI: 10.3390/metabo11010042 -
信心 0.8
“Text assigns bands at 3674, 3638, 3620, 3607 cm-1 to water OH stretches.”
Marechal 和 Rich - 2011 - Water molecule reorganization in cytochrome c oxid DOI: 10.1073/pnas.1019419108/-/DCSupplemental.
有包含此波峰的圖譜嗎？
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