What absorbs at 3333 cm⁻¹ in an FTIR spectrum?
A band near 3333 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
संभाव्य कार्यात्मक-गट नियुक्त्या
| कार्यात्मक गट | समर्थन करणारी तथ्ये | उद्धृत स्रोत | सर्वोच्च आत्मविश्वास |
|---|---|---|---|
| Hydroxyl (O-H) | 3 | 3 | 1.0 |
| Alkyl C-H | 2 | 2 | 1.0 |
| Amine primary | 1 | 1 | 1.0 |
| Carbohydrate | 1 | 1 | 1.0 |
रँकिंग संचित साहित्य पुरावा प्रतिबिंबित करते, एकच अधिकृत नियम नाही. नेहमी तुमच्या नमुना संदर्भाविरुद्ध पुष्टी करा.
या नियुक्त्यांमागील साहित्य
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Hydroxyl (O-H) आत्मविश्वास 1.0
“The hydrolytic degradation of PVA nanofibers in the exposure of phosphate buffer solution (PBS) was confirmed by cm21 ATR-FTIR results in which a change at the intensity of the characteristic peak located at 3333 corresponding to hydroxyl g”
Askari 等 - 2016 - Three-layered electrospun PVAPCLPVA nanofibrous DOI: 10.1002/app.43309 -
Hydroxyl (O-H) आत्मविश्वास 1.0
“Broad peak at 328 cm-1 2923 could represent symmetric C-H stretch of a lone C-H group of tertiary carbon 329 cm-1 components (R 3C-H), and another broader and weak peak at 3333 corresponds -OH group 330 [34, 37, 38].”
Balan 等 - 2021 - Esterification of residual palm oil using solid ac DOI: 10.1016/j.jtice.2012.07.001. -
Hydroxyl (O-H) आत्मविश्वास 1.0
“LLM confirmed rule peak-group candidate”
Burhan 等 - 2020 - Preparation of Cyperus diffusus Vahl cellulose-pol DOI: 10.1088/1757-899X/833/1/012063 -
Carbohydrate आत्मविश्वास 1.0
“The author analyzed the FTIR ter/intramolecular hydrogen bonds and confirmed the cellulose I transition (3290 cm-1 and bands of inter/intramolecular hydrogen bonds and confirmed the cellulose I transition 3333 cm-1) to cellulose II (3440 cm”
Impact of NaOH Concentration on Deweaving of Cotton Fabric in Aqueous Solutions DOI: 10.3390/su13042015 -
Alkyl C-H आत्मविश्वास 1.0
“The crucial peaks of celcm-1, lulose are -OH stretching and C-H stretching at 3333 and 2881 respectively.”
Fabrication and Evaluation of Water Hyacinth Cellulose-Composited Hydrogel Containing Quercetin for Topical Antibacterial Applications DOI: 10.3390/gels8120767 -
Amine primary आत्मविश्वास 1.0
“A significant change in the intensity of peak was observed for -OH group after ammonium nitrogen adsorption, the position of the peak was shifted from 3332.82 cm-1 to 3270.09 cm-1, and the position of -NH2 group peak was shifted from 1654cm”
Chitosan Modified Zeolite Molecular Sieve Particles as a Filter for Ammonium Nitrogen Removal from Water DOI: 10.3390/ijms21072383 -
Alkyl C-H आत्मविश्वास 1.0
“cm-1 increase in absorption and shaper peaks were obtained 1091.71 (C-O stretching), 1288.45 (C-O cm-1 and growth of nanoparticles was also enhanced but stretching) and 1334.74 (O-H bending), 1419.61 cm-1 cm-1 (C=C if concentration of subst”
Iqtedar 等 - 2020 - Biosynthesis, optimization and characterization of DOI: 10.24275/rmiq/Bio1605
या बँडसह स्पेक्ट्रम आहे का?
तुमचे FTIR स्पेक्ट्रम अपलोड करा आणि सेकंदात पूर्ण व्याख्या अहवाल मिळवा — साहित्य संदर्भांसह शिखर नियुक्त्या, लायब्ररी मॅचेस, आणि आत्मविश्वास-रेट केलेली पुरावा साखळी.
माझ्या स्पेक्ट्रमचे व्याख्या करा