What absorbs at 3640 cm⁻¹ in an FTIR spectrum?
A band near 3640 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 8 cited sources
संभावित कार्यात्मक-समूह असाइनमेंट
| कार्यात्मक समूह | समर्थन तथ्य | उद्धृत स्रोत | शीर्ष विश्वास |
|---|---|---|---|
| Hydroxyl (O-H) | 4 | 4 | 0.95 |
| Oxygen heterocycle | 1 | 1 | 0.7 |
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
-
Hydroxyl (O-H) विश्वास 0.95
“Explicit assignment: 'new sharp OH-stretching fundamentals at ~3640'”
Skoubris 等 - 2013 - STRUCTURAL CHARACTERIZATION OF REDUCED-CHARGE MONT DOI: 10.1346/CCMN.2013.0610207 -
Hydroxyl (O-H) विश्वास 0.9
“Text: 'strong, narrow band of the OH stretching ... at 3640'”
Khan 等 - 2022 - Efficient photodegradation of orange II dye by nic DOI: 10.1007/s13201-022-01647-x -
Hydroxyl (O-H) विश्वास 0.9
“O-H stretch associated with calcium hydroxide.”
Sotiropoulou 等 - 2018 - Advanced analytical investigation on degradation m DOI: 10.1016/j.microc.2018.03.007 -
विश्वास 0.9
“Explicit assignment: 'C-S-H band on day 28. The infrared spectrum wave number ... 3,640 cm-1'”
Sutan 等 - 2015 - Sustainable Nanopozzolan Modified Cement Characte DOI: 10.1155/2015/713258 -
Hydroxyl (O-H) विश्वास 0.9
“Text: 'peak related to the OH stretching of portlandite (CH) at 3640 cm-1'”
dos Santos 等 - 2021 - Application of Fourier Transform infrared spectros DOI: 10.1016/j.conbuildmat.2021.125413 -
विश्वास 0.8
“Snippet: 'characteristic spectra showed two bands at 3640 and 3560 of the water forming H-bonds to the anions'.”
MacMillan 等 - 2012 - Interaction of Water Vapor with the Surfaces of Im DOI: 10.1021/jp305029n -
Oxygen heterocycle विश्वास 0.7
“Absorbance at 3640 and 3381 cm-1 attributed to epoxy.”
Jollands 等 - 2021 - A combined Fourier transform infrared and Cr K-edg DOI: 10.5194/ejm-33-113-2021 -
विश्वास 0.6
“Text mentions 'sharp band at 3640' and 'O-H bound in different types of hydrates' in context”
Kledynski 等 - 2017 - Investigation of hydration products of fly ash-sla DOI: 10.1007/s10973-017-6233-4
क्या इस बैंड के साथ कोई स्पेक्ट्रम है?
अपना FTIR स्पेक्ट्रम अपलोड करें और सेकंड में एक पूर्ण व्याख्या रिपोर्ट प्राप्त करें — साहित्य उद्धरणों, पुस्तकालय मिलानों, और विश्वास-रेटेड साक्ष्य श्रृंखला के साथ शिखर असाइनमेंट।
मेरे स्पेक्ट्रम की व्याख्या करें