What absorbs at 3482 cm⁻¹ in an FTIR spectrum?
A band near 3482 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
संभावित कार्यात्मक-समूह असाइनमेंट
| कार्यात्मक समूह | समर्थन तथ्य | उद्धृत स्रोत | शीर्ष विश्वास |
|---|---|---|---|
| Hydroxyl (O-H) | 3 | 3 | 1.0 |
| Alkyl C-H | 1 | 1 | 1.0 |
| Water (H2O) | 1 | 1 | 1.0 |
रैंकिंग संचित साहित्य साक्ष्य को दर्शाती है, एक एकल आधिकारिक नियम नहीं। हमेशा अपने नमूना संदर्भ के खिलाफ पुष्टि करें।
इन असाइनमेंट के पीछे का साहित्य
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Water (H2O) विश्वास 1.0
“In the spectrum, investigated for the state of the membrane that shows spectrum cm-1 are assigned to the OH the absorptions at 3482 and 1627 a of Figure 1, in which free water exists in excess over RSO 3H, stretching and deformation vibrati”
Iwamoto 等 - 2002 - Water in perfluorinated, sulfonic acid Nafion memb DOI: 10.1021/jp013709g -
Hydroxyl (O-H) विश्वास 1.0
“cm-1, Tween's FTIR spectrum highlights hydrogen-bound OH stretching to 3482 cm-1, 2863 and 2921 which can be attributed to asymmetric and symmetrical methylene cm-1 stretching vibrations at the specific carbonyl group of 1734 from R-CO-OR,”
Formulation and Characterization of Alginate-Based Membranes for the Potential Transdermal Delivery of Methotrexate DOI: 10.3390/polym -
Alkyl C-H विश्वास 1.0
“BSG-linked spectroscopic analysis showed an OH group at 3481.51 cm-1, C-H in CH at 2 2995.45 cm-1, COO (asymmetric and symmetric stretching) due to uronic acid at 1689.64 FTIR spectra of BSG, BSG-co-poly (AA) hydrogel and captopril are show”
Ghumman 等 - 2022 - Synthesis of pH-Sensitive Cross-Linked Basil Seed DOI: 10.3390/gels8050291 -
Hydroxyl (O-H) विश्वास 1.0
“The broad IR cm-1 cm-1 band centered at 3482 is attributed to phenolic O-H stretch H-bonded.”
Attenuated Total Reflectance Fourier Transform Infrared Spectroscopy: An analytical technique to understand therapeutic responses at the molecular level DOI: 10.1038/srep16649 -
Hydroxyl (O-H) विश्वास 1.0
“(cm-1) Observed vibrational bands Assignments 3482 O-H stretching”
Kannan 等 - 2023 - Exploration of third order nonlinear optical featu DOI: 10.15251/DJNB.2023.181.367
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