What absorbs at 402 cm⁻¹ in an FTIR spectrum?
A band near 402 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 4 cited sources
संभावित कार्यात्मक-समूह असाइनमेंट
| कार्यात्मक समूह | समर्थन तथ्य | उद्धृत स्रोत | शीर्ष विश्वास |
|---|---|---|---|
| N-O bond | 2 | 1 | 1.0 |
| Ammonium | 1 | 1 | 1.0 |
| C-O single bond | 1 | 1 | 1.0 |
| Quaternary ammonium | 1 | 1 | 1.0 |
| Hydroxyl (O-H) | 1 | 0 | 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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Quaternary ammonium विश्वास 1.0
“Simon Christian aMBIE The Biocide Toolbox Programme, The University of Auckland, Private Bag 92019, Auckland 1042, New Zealand bSchool of Chemical Sciences, The University of Auckland, Private Bag 92019, Auckland 1042, New Zealand cDepartme”
Anchored quaternary ammonium salts adsorbed on polyurethane film surfaces DOI: 10.1016/j.porgcoat.2019.105343 -
C-O single bond विश्वास 1.0
“Among 401 cm-1 them, the absorption at 1044 was mainly attributed to C-O stretching on C-O-C 402”
Beltramino 等 - 2016 - Optimization of sulfuric acid hydrolysis condition DOI: 10.1007/s10570-016-0897-y -
Ammonium विश्वास 1.0
“The peak at 402.2 eV is probably due to the positively charged ammonium in lysine.”
Torres-Gonzalez 等 - 2018 - Characterization of Recombinant His-Tag Protein Im DOI: 10.3390/s18124262 -
N-O bond विश्वास 1.0
“As shown in the lower graph, the samples not subjected to preconditioning have no peak, whereas the samples subjected to preconditioning have a peak at 402 or 400 eV.”
Analysis of a Lipid/Polymer Membrane for Bitterness Sensing with a Preconditioning Process DOI: 10.3390/s150922439
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