What absorbs at 3273 cm⁻¹ in an FTIR spectrum?
A band near 3273 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) | 3 | 3 | 1.0 |
| Alkyl C-H | 1 | 1 | 1.0 |
| Amide | 1 | 1 | 1.0 |
| N h | 1 | 1 | 1.0 |
| C c single bond | 1 | 1 | 1.0 |
| Hydrogen bond | 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
-
विश्वास 1.0
“Only the spectra of al.9 cm-1 urine (100% and 40%), showed analogous results with the study by Zhang et as the peak at 3273 showed a significant decline in the mean absorbance with time during phase I (Figs.”
Analysis of the ex-vivo transformation of semen, saliva and urine as they dry out using ATR-FTIR spectroscopy and chemometric approach DOI: 10.1038/s41598-021-91009-5 -
Hydrogen bond विश्वास 1.0
“A cm-1 ii) The peak at 3273 can be assigned to the stretch vibration mode containing the intramolecular hydrogen bonds with a major contribution of O6H…O2.”
Turki 等 - 2018 - Investigation of OH bond energy for chemically tre DOI: 10.1016/j.carbpol.2018.01.030 -
Hydroxyl (O-H) विश्वास 1.0
“From these findings, the increase in initial encapsulation process, the prepared S/GG-microencapsuand final decomposition temperatures of the S/GG-microlate spectra showed vibrations of several O-H groups at encapsulate over the GG-gum coat”
Garden cress gum and maltodextrin as microencapsulation coats for entrapment of garden cress phenolic-rich extract: improved thermal stability, storage stability, antioxidant and antibacterial activities DOI: 10.1007/s10068-022-01171-3 -
Hydroxyl (O-H) विश्वास 1.0
“OH stretching (3273 and -CH2 stretching of alkane (2930 cm-1) and 2855 were the major bond vibrations, originating from the lipid compositions”
Adnan 等 - 2022 - Microwave-Assisted Synchronous Nanogold Synthesis DOI: 10.3390/ph15020111 -
Hydroxyl (O-H) विश्वास 1.0
“Assigned OH peaks were 3273 and 3405 regions (nearly 30%) using modulated DSC [31].”
Al-khattawi 等 - 2014 - Evidence-Based Nanoscopic and Molecular Framework DOI: 10.1371/journal.pone.0101369 -
N h विश्वास 1.0
“LLM confirmed rule peak-group candidate”
Comparison of Different Methods for Spongin-like Collagen Extraction from Marine Sponges (Chondrilla caribensis and Aplysina fulva): Physicochemical Properties and In Vitro Biological Analysis DOI: 10.3390/membranes11070522 -
Amide विश्वास 1.0
“The amide A band, charcm-1 cm-1, acterized by a broad peak at 3273 and a medium-intensity narrow peak at 2057 (SCN-) corresponds to thiocyanate anions and is characteristic of saliva.”
Unlocking the Diagnostic Potential of Saliva: A Comprehensive Review of Infrared Spectroscopy and Its Applications in Salivary Analysis DOI: 10.3390/jpm13060907 -
Alkyl C-H विश्वास 1.0
“LLM confirmed rule peak-group candidate”
Encapsulation of vitexin-rhamnoside based on zein/pectin nanoparticles improved its stability and bioavailability DOI: 10.1016/j.crfs.2022.100419
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