What absorbs at 1225 cm⁻¹ in an FTIR spectrum?
A band near 1225 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
Možne dodelitve funkcionalnih skupin
| Funkcionalna skupina | Podporna dejstva | Citirani viri | Najvišje zaupanje |
|---|---|---|---|
| Phosphate (PO4) | 2 | 2 | 0,9 |
| C-O single bond | 2 | 1 | 0,9 |
| Lignin | 1 | 1 | 0,9 |
| Nucleic acid | 1 | 1 | 0,9 |
| Lipid | 1 | 0 | 0,9 |
Razvrstitev odraža zbrane literaturne dokaze, ne enega avtoritativnega pravila. Vedno preverite glede na kontekst vašega vzorca.
Literatura za temi dodelitvami
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zaupanje 1,0
“Explicit assignment: 'carrageenan absorption band around 1225 cm-1'”
Daniel-da-Silva 等 - 2007 - In situ synthesis of magnetite nanoparticles in ca DOI: 10.1021/bm070096q -
Nucleic acid zaupanje 0,9
“Mentioned as DNA region.”
Fogarty 等 - 2013 - Sub-cellular spectrochemical imaging of isolated h DOI: 10.1039/c2an36197c -
zaupanje 0,9
“Text: 'peaks at 1706, 1732, and 1225 (linked to crocin)'.”
Naim 等 - 2022 - ATR-FTIR spectroscopy combined with DNA barcoding DOI: 10.1016/j.vibspec.2022.103446 -
Lignin zaupanje 0,9
“Text: 'lignin peaks at ... 1511 and 1225 cm-1'.”
Pandey 和 Pitman - 2004 - Examination of the lignin content in a softwood an DOI: 10.1002/pola.20071 -
Phosphate (PO4) zaupanje 0,9
“Text: 'phosphodiester bands of DNA at ~1234 and 1225'”
Al-Jorani 等 - 2018 - The Application of ATR-FTIR Spectroscopy and the R DOI: 10.3390/s18124297 -
C-O single bond zaupanje 0,9
“-C-O- stretching”
Kallakas 等 - 2023 - Tensile and Surface Wettability Properties of the DOI: 10.3390/polym15122677 -
zaupanje 0,9
“Explicit assignment in text: '1225cm-1 due to the S=O of sulphate k-carrageenan'”
Pascalau 等 - 2013 - Obtaining and Characterizing Alginatek-Carrageena DOI: 10.1155/2013/380716 -
zaupanje 0,8
“Region of DNA/RNA (v_asPO ~1225 cm-1).”
Li 等 - 2016 - Low-dose carbon-based nanoparticle-induced effects DOI: 10.1038/srep20207
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