Oxalate — FTIR absorption peaks and assignments
These are the characteristic FTIR wavenumbers where Oxalate tends to absorb, compiled from published literature and ranked by supporting evidence. Each assignment is traceable to a source (DOI) and cross-validated against our 130,000+ reference spectra and knowledge graph.
Backed by 8 cited sources
Schnelle Antwort
Oxalate is usually assigned by looking for a recurring cluster of characteristic peaks rather than one exact textbook number. The table below shows where the literature most often places this group in FTIR, ranked by accumulated evidence.
Characteristic FTIR peaks for Oxalate
| Wellenzahl (cm⁻¹) | Unterstützende Fakten | Zitierte Quellen | Höchstes Vertrauen |
|---|---|---|---|
| 1620 | 2 | 1 | 1,0 |
| 962 | 1 | 1 | 1,0 |
| 924 | 1 | 1 | 1,0 |
| 1738 | 1 | 1 | 1,0 |
| 880 | 1 | 1 | 1,0 |
| 1318 | 1 | 1 | 1,0 |
| 1637 | 1 | 1 | 1,0 |
| 781 | 1 | 1 | 1,0 |
| 1308 | 1 | 1 | 1,0 |
| 777 | 1 | 1 | 1,0 |
| 1315 | 1 | 1 | 1,0 |
| 1600 | 1 | 1 | 1,0 |
| 795 | 1 | 1 | 1,0 |
| 1286 | 1 | 1 | 1,0 |
| 1697 | 1 | 1 | 1,0 |
| 1314 | 1 | 1 | 1,0 |
| 1721 | 1 | 1 | 1,0 |
| 784 | 1 | 1 | 1,0 |
| 885 | 1 | 1 | 1,0 |
| 1354 | 1 | 1 | 0,9 |
| 1720 | 1 | 1 | 0,9 |
| 1700 | 1 | 1 | 0,9 |
| 1571 | 1 | 1 | 0,9 |
| 1418 | 1 | 1 | 0,9 |
| 1309 | 1 | 1 | 0,9 |
| 749 | 1 | 0 | 1,0 |
| 1585 | 1 | 0 | 1,0 |
| 1590 | 1 | 0 | 1,0 |
| 1317 | 1 | 0 | 1,0 |
Spektrumslogik
Eine Funktionsgruppenzuordnung wird zuverlässiger, wenn mehrere erwartete Banden gemeinsam auftreten. Verwenden Sie diese Seite, um die am stärksten gestützten Peaks zu finden, und bestätigen Sie dann, dass dieselbe Probe ein kohärentes Muster und nicht einen einzelnen isolierten Treffer aufweist.
Praktische Anwendung
Diese Seiten sind nützlich für die Analyse unbekannter Materialien, die Erklärung von Peaks in Berichten, die Fehlerbehebung bei Polymeren und die Überprüfung, ob eine in Frage kommende Materialfamilie chemisch plausibel ist.
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Beratung zur Verifizierung
Verwenden Sie DSC, GC-MS oder TGA, wenn mehrere Materialfamilien ähnliche Banden aufweisen oder wenn Mischeffekte die FTIR-Zuordnung unsicher machen.
Literatur hinter diesen Zuweisungen
-
885 cm⁻¹ Vertrauen 1,0
“Figure 2 Magnified view of normalized FTIR absorption spectra of standard compound mixtures cm-1) cm-1) (A) and calcium oxalate stones (B), showing COM (885 and 950 and COD (912 P absorption peaks;”
Quantitative analysis of calcium oxalate hydrate urinary stones using FTIR and 950/912 cm-1 peak ratio DOI: 10.1016/j.vibspec.2019.03.006 -
784 cm⁻¹ Vertrauen 1,0
“cm(cid:3)1 oxalate.[17] University] 784 was chosen as the best one to consider for calcium The cm(cid:3)1 ratio of the absorbances of the oxalate peak at 784 with the PB peak at State [Pennsylvania by”
Salvadori 等 - 2003 - Evaluation of gypsum and calcium oxalates in deter DOI: 10.1081/SL-120026615 -
1721 cm⁻¹ Vertrauen 1,0
“Initially there is a dramatic increase in the shallow trap absorption which dominates the spectral changes, as well as growth in superimposed adsorbed oxalate peaks at 1721, 1410, 1308, and 1256 cm-1.”
Savory 等 - 2011 - Shallow Electron Trap, Interfacial Water, and Oute DOI: 10.1021/jp102723u -
1314 cm⁻¹ Vertrauen 1,0
“peaks at 1314 and 1591 IR peaks indicative of inner-sphere adsorbed oxalate are also observed for”
Yoon 等 - 2004 - Adsorption of organic matter at mineralwater inte DOI: 10.1016/j.gca.2004.04.025 -
795 cm⁻¹ Vertrauen 1,0
“reported in literature due to the incomplete decomposition of the products and two prominent cm-1 cm-1 peaks appeared at 795 (La-O) and 1316 (C-O) reveals the existence of the oxalate ion cm-1 cm-1 while in this research work these peaks ap”
Study of structural, optical and electrical properties of La3+ doped Mg0.25 Ni0.15 Cu0.25 Co0.35 Fe2-x Lax O4 spinel ferrites DOI: 10.1016/j.physb.2020.412565 -
1600 cm⁻¹ Vertrauen 1,0
“Above this potential, however, the intensities of these two bands diverge, which can be attributed to 53 cm-1 an increase of the oxalate band at 1600 enhancing the intensity of the glycolate band (see also the increase 54 cm-1).”
Ethylene Glycol Electrooxidation on Smooth and Nanostructured Pd Electrodes in Alkaline Media DOI: 10.1002/fuce.200900120 -
1315 cm⁻¹ Vertrauen 1,0
“the chemical composition of the ectopic calcificaThe IR spectra collected by the mIRage™ expericm-1 tions, the presence of IR bands at 1315 clearly mental set up are presented in Figure 8b, each specindicates the presence of calcium oxalate”
Using mid infrared to perform investigations beyond the diffraction limits of microcristalline pathologies: advantages and limitation of Optical PhotoThermal IR spectroscopy DOI: 10.5802/crchim.196 -
777 cm⁻¹ Vertrauen 1,0
“The band around 777 has been Opuntia attributed to OCO deformations of calcium oxalate presents in the cladodes [60].”
Opuntia spp. Fibre Characterisation to Obtain Sustainable Materials in the Composites Field DOI: 10.3390/polym13132085
See Oxalate in your own spectrum
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