What absorbs at 3221 cm⁻¹ in an FTIR spectrum?
A band near 3221 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 3 cited sources
संभाव्य कार्यात्मक-गट नियुक्त्या
| कार्यात्मक गट | समर्थन करणारी तथ्ये | उद्धृत स्रोत | सर्वोच्च आत्मविश्वास |
|---|---|---|---|
| Carbohydrate | 2 | 2 | 1.0 |
| Hydrogen bond | 2 | 2 | 1.0 |
| Hydroxyl (O-H) | 1 | 1 | 1.0 |
| N h | 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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आत्मविश्वास 1.0
“cm(cid:0) ◦C 1, 1, 1 SPI/TGA2.0-150 increase in the intensity of this peak with the ad3221 and 2847 There are three auto-peaks at 3440 N-H, O-H, -CH2in Fig.”
Curing mechanism of triglycidylamine crosslinked soybean protein adhesive analyzed by Fourier transform infrared, second derivative infrared and two-dimensional correlation spectroscopy DOI: 10.1016/j.ijadhadh.2021.102825 -
Hydrogen bond आत्मविश्वास 1.0
“hydrogen bonds only in cellulose I The cm-1 is assigned to the intraband at 3221 molecular hydrogen bonds present only in Figure 2: FTIR spectra of buriti, sisal, jute , kenaf , curaua and ramie and vegetal fibers”
Kempaiah 等 - 2020 - FTIR AND WAXS STUDIES ON SIX VEGETAL FIBERS DOI: 10.1016/j.carres.2005.08.007 -
Hydrogen bond आत्मविश्वास 1.0
“The α cm-1 band at 3221 is assigned to the intramolecular hydrogen bonds present only in triclinic I”
Poletto 等 - 2014 - Native Cellulose Structure, Characterization and DOI: 10.3390/ma7096105
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