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
Mga posibleng pagtatalaga ng functional-group
| Functional group | Mga sumusuportang katotohanan | Mga nasiping sanggunian | Pinakamataas na kumpiyansa |
|---|---|---|---|
| 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 |
Ang pagraranggo ay sumasalamin sa naipon na ebidensya ng literatura, hindi isang solong awtoritatibong tuntunin. Palaging kumpirmahin laban sa konteksto ng iyong sample.
Literatura sa likod ng mga pagtatalagang ito
-
kumpiyansa 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 kumpiyansa 0.9
“Mentioned as DNA region.”
Fogarty 等 - 2013 - Sub-cellular spectrochemical imaging of isolated h DOI: 10.1039/c2an36197c -
kumpiyansa 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 kumpiyansa 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) kumpiyansa 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 kumpiyansa 0.9
“-C-O- stretching”
Kallakas 等 - 2023 - Tensile and Surface Wettability Properties of the DOI: 10.3390/polym15122677 -
kumpiyansa 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 -
kumpiyansa 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
May spectrum ka ba na may ganitong band?
I-upload ang iyong FTIR spectrum at makakuha ng buong interpretasyon na ulat — mga pagtatalaga ng peak na may mga pagsipi ng literatura, pagtutugma ng library, at isang kadena ng ebidensya na may rating ng kumpiyansa — sa loob ng ilang segundo.
I-interpret ang aking spectrum