What absorbs at 3673 cm⁻¹ in an FTIR spectrum?
A band near 3673 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 6 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) | 4 | 3 | 1.0 |
| Silanol (Si-OH) | 1 | 1 | 1.0 |
| Phosphate (PO4) | 1 | 1 | 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。
這些指派背後的文獻
-
Phosphate (PO4) 信心 1.0
“cm-1may this surface Ti OH and P OH groups with a band at 3673 the photocatalytic behavior of TiHap strongly relates to attributed to the photocatalytic activity as well as the surface Since also OH• the P particle surface nature, the surfa”
FTIR studies on photocatalytic activity of Ti(IV)-doped calcium hydroxyapatite particles DOI: 10.1016/j.molcata.2012.04.009 -
Silanol (Si-OH) 信心 1.0
“Pt/silicad 3697/3676 O-H stretch of isolated silanol 3673 3740 silicaf 3515 3535/3509 O-H stretch of silanol H-bonded to 3510”
Leewis 等 - 2006 - Ammonia adsorption and decomposition on silica sup DOI: 10.1016/j.apsusc.2005.12.115 -
信心 1.0
“The 3673 peak in FTIR data corresponds to Mg, Mg).”
Bao 等 - 2018 - A method of determining heated ancient nephrite ja DOI: 10.1038/s41598-018-30564-w -
Hydroxyl (O-H) 信心 1.0
“The FTIR spectrum of the studied tremolite in the OH-stretching region (Figure 5) shows three cm-1, Mg/Fe2+ well-resolved peaks at 3673, 3656, and 3643 which could be assigned to the different M(1,3) configurations at [26,64].”
Della Ventura 等 - 2018 - Infra Red Spectroscopy of the Regulated Asbestos A DOI: 10.3390/min8090413 -
信心 1.0
“An obvious 225 cm-1 band for talc at 3673 is most likely due to OHstretching (Petit et al., 2004) and Si-O stretching 226 cm-1 at 942 (Ossman et al., 2014).”
Galvin-King 等 - 2021 - Garlic adulteration detection using NIR and FTIR s DOI: 10.1016/j.jfca.2020.103757 -
Hydroxyl (O-H) 信心 0.9
“Explicit assignment: adsorption peaks of -OH.”
Lu 等 - 2020 - Adsorption of Rhodamine B from Aqueous Solution by DOI: 10.15244/pjoes/112207
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