What absorbs at 1505 cm⁻¹ in an FTIR spectrum?
A band near 1505 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
Mögulegar úthlutun virkra hópa
| Virkur hópur | Stuðningsstaðreyndir | Tilvitnuð heimildir | Mesta öryggi |
|---|---|---|---|
| Lignin | 7 | 6 | 0,9 |
| Aromatic ring | 1 | 1 | 0,9 |
| Carbohydrate | 1 | 1 | 0,8 |
Röðun endurspeglar uppsöfnuð ritrýnisgögn, ekki eina valdboðsreglu. Staðfestu alltaf í samhengi við sýnið þitt.
Ritlist á bak við þessar úthlutanir
-
Lignin öryggi 0,9
“Text: 'lignin peaks at 1505 and 1330 for beech'.”
Pandey 和 Pitman - 2004 - Examination of the lignin content in a softwood an DOI: 10.1002/pola.20071 -
Lignin öryggi 0,9
“assigned to lignin”
Dos Anjos 等 - 2021 - Combined Treatment (Alkali + Thermal) of Calotropi DOI: 10.3390/polym13193285 -
Lignin öryggi 0,9
“Normalized to lignin peak at approx. 1505 cm-1.”
Hundhausen 等 - 2009 - Use of alkyl ketene dimer (AKD) for surface modifi DOI: 10.1007/s00107-008-0275-z -
Lignin öryggi 0,9
“Normalized to lignin peak at approx. 1505 cm-1.”
Hundhausen 等 - 2010 - PF-bonded particleboards from AKD-modified chips DOI: 10.1007/s00107-009-0358-5 -
Aromatic ring öryggi 0,9
“Aromatic CH band”
Jaggy 等 - 2020 - ATR-FTIR Analysis and One-Week Stress Relaxation o DOI: 10.3390/ma13081868 -
Lignin öryggi 0,8
“Increased intensities of bands at 1505 attributed to lignin”
Pandey 和 Pitman - 2003 - FTIR studies of the changes in wood chemistry foll DOI: 10.1016/S0964-8305(03)00052-0 -
Lignin öryggi 0,8
“Symmetric stretching vibration in lignin and/or hemicelluloses.”
Talavera-Pech 等 - 2021 - Improvement in the Carbonation Resistance of Const DOI: 10.3390/ma14082066 -
öryggi 0,7
“Shift from 1505 to 1512 due to decrease of methoxyl groups, loss of syringyl units or breaking of aliphatic side-chains.”
Esteves 等 - 2013 - CHEMICAL CHANGES OF HEAT TREATED PINE AND EUCALYPT DOI: 10.4067/S0718-221X2013005000020
Ertu með róf með þessu bandi?
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