What absorbs at 1514 cm⁻¹ in an FTIR spectrum?
A band near 1514 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
Mahdolliset funktionaalisten ryhmien määritykset
| Funktionaalinen ryhmä | Tukevat tosiasiat | Viitatut lähteet | Korkein luottamus |
|---|---|---|---|
| Aromatic ring | 4 | 4 | 1,0 |
| Lignin | 3 | 3 | 1,0 |
| Ring structure | 1 | 1 | 1,0 |
| Amide | 1 | 1 | 0,9 |
| Carbohydrate | 1 | 1 | 0,9 |
| C-O single bond | 1 | 0 | 0,9 |
Sijoitus kuvastaa kertyneitä kirjallisuustodisteita, ei yhtä auktoritatiivista sääntöä. Varmista aina suhteessa näytteesi asiayhteyteen.
Näiden määritysten taustalla oleva kirjallisuus
-
Aromatic ring luottamus 1,0
“The most intense bands were the carbonyl peak at 1672 cm-1 and the benzene ring stretching at 1514, 1477, and 1392 cm-1.”
Armenta 等 - 2005 - FTIR approaches for diuron determination in commer DOI: 10.1021/jf050268f -
Aromatic ring luottamus 1,0
“Enzymatic delignification of cm-1 cm-1 this optimized mixture was supported by FTIR studies where peak intensity at 1514 and 1595 corresponding to the aromatic skeletal vibrations of lignin decreased in magnitude after delignification.”
Avanthi 和 Banerjee - 2016 - A strategic laccase mediated lignin degradation of DOI: 10.1016/j.indcrop.2016.08.009 -
Aromatic ring luottamus 0,95
“Explicit assignment: 'absorptions at 1514 assigned to the aromatic C=C deformation' and 'to the aromatic C=C of the lignin'.”
Emmanuel 等 - 2015 - FTIR spectroscopy of woods A new approach to stud DOI: 10.1016/j.saa.2014.10.011 -
luottamus 0,95
“Explicit assignment: 'positive band at 1514 cm-1 corresponding to the disappearance of the aromatic ring'.”
Salavagione 等 - 2004 - Spectroelectrochemical study of the oxidation of a DOI: 10.1016/j.jelechem.2003.11.005 -
luottamus 0,9
“Explicit assignment: 'transmittance peaks at 706, 1246 and 1514 corresponding to amide IV'”
Kumar 等 - 2022 - Electrochemical immunosensor for the detection of DOI: 10.1007/s13205-022-03252-w -
Carbohydrate luottamus 0,9
“Explicit assignment: 'The band at 1514 from cellulose (amorphous region)'.”
Novaes Reis Corrales 等 - 2012 - Structural evaluation of sugar cane bagasse steam DOI: 10.1186/1754-6834-5-36 -
Aromatic ring luottamus 0,9
“Snippet: 'absorption at 1514 and 1604 cm-1' assigned to lignin aromatic ring vibrations.”
Rehman 等 - 2019 - ENVIRONMENTAL FRIENDLY METHOD FOR THE EXTRACTION O DOI: 10.4314/bcse.v33i1.6 -
Amide luottamus 0,9
“Explicit assignment in text: 'amide II bands at ... 1514'”
Smith 等 - 2016 - Breaking down banners analytical approaches to de DOI: 10.1186/s40494-016-0095-0
Onko sinulla spektri tällä vyöhykkeellä?
Lataa FTIR-spektrisi ja saat täydellisen tulkintaraportin — huippumääritykset kirjallisuusviitteineen, kirjastosumitukset ja luottamusluokitellun todisteketjun — sekunneissa.
Tulkitse spektrini