What absorbs at 3624 cm⁻¹ in an FTIR spectrum?
A band near 3624 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
Gán nhóm chức có thể
| Nhóm chức | Sự kiện hỗ trợ | Nguồn tham khảo | Độ tin cậy cao nhất |
|---|---|---|---|
| Hydroxyl (O-H) | 5 | 5 | 1,0 |
| Carboxyl (COOH) | 1 | 1 | 1,0 |
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Tài liệu tham khảo đằng sau các gán này
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Hydroxyl (O-H) độ tin cậy 1,0
“The presence of similar bands at 3624.3, 3620.4, 3627.1, 3624.5, 3626.7 and 3620.7 cm-1 show the [O-H] stretching of the inner hydroxyl group.”
Unique Halloysite Nanotubes–Polyvinyl Alcohol– Polyvinylpyrrolidone Composite Complemented with Physico–Chemical Characterization DOI: 10.3390/polym9060207 -
Hydroxyl (O-H) độ tin cậy 1,0
“For OPT samples exhibited cm(cid:0) 1 strong band at 3624 attributed to the intensity of OH group which indicates the hygroscopic states of OPT.”
Microencapsulation of ginger-based essential oil (Zingiber cassumunar roxb) with chitosan and oil palm trunk waste fiber prepared by spray-drying method DOI: 10.1016/j.csite.2020.100606 -
độ tin cậy 1,0
“3500-500 cm-1, In range of all the three spectra are charcm-1 3390cm-1 Stability and reusability of hybrid composite -3% acterized bybands at 3624 and corresponding 2P90 TiO tostretchingvibration of the hydroxylgroup.The valenceand deformat”
New composite material based on Kaolinite, cement, TiO2 for efficient removal of phenol by photocatalysis DOI: 10.1007/s11356-021-13150-y -
Carboxyl (COOH) độ tin cậy 1,0
“1400cm-1 cm-1, - bending band of COOH at overlaps with the band of presence of quartz and kaolinite with sharp bands at 3698 carboxylate-COO-groupsandis,thereforenot,indicative.Howeverthe 3653cm-1,and~3620cm-1.ThelatterbandoverlapswiththeO-”
The nature of interlayering in clays from a podzol (Spodosol) from the Tatra Mountains, Poland DOI: 10.1016/j.geoderma.2010.10.013 -
Hydroxyl (O-H) độ tin cậy 1,0
“cm-1 The peak at 3623.8 corresponds to the OH stretching [46] and is present only cm-1 in the virgin membrane, since it was degraded after being used.”
Barros 等 - 2020 - A three-stage chemical cleaning of ion-exchange me DOI: 10.1016/j.desal.2020.114628 -
Hydroxyl (O-H) độ tin cậy 1,0
“The FTIR spectrum of Mt showed an O-H stretching vibration band of the structural O-H group at 3624 cm-1 and the H-O-H stretching vibration band of the interlayer water in Mt at 3410 cm-1.”
Fabrication of Colored Polymeric Membrane Using Clay-Based Nano Pigments of Safranin O (SO) Dye DOI: 10.3390/membranes13070619 -
Hydroxyl (O-H) độ tin cậy 1,0
“A sharp peak at wavenumber of around 3600 cm-1, related to the absorption band of the O-H stretching vibration that binds to nickel, 3624 cm-1, attributed to the absorption was also observed.”
Saepudin 等 - 2021 - Nickel Hydroxide Nanoparticles for Application in DOI: 10.18494/SAM.2021.3214
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