How can you identify calcite from FTIR?
This page summarizes the recurring FTIR evidence reported for calcite, including the most frequent peaks, supporting functional groups, and literature-backed interpretation patterns. It is a structured evidence page, not a claim of automatic single-spectrum certainty.
Backed by 39 cited sources
Respuesta rápida
calcite is usually reported with a recurring pattern of peaks and functional-group evidence. The most useful approach is to cross-check at least two characteristic peaks before treating it as a match, then verify whether the full spectrum still fits the same material family.
Interpretación de picos
Materiales / grupos posibles
| Grupo funcional | Evidencia |
|---|---|
| Carbonate | 40 |
| Methacrylate | 22 |
| Acetate | 22 |
| Methoxy (OCH3) | 17 |
| Hydroxyl (O-H) | 17 |
| C-O single bond | 15 |
| Alkyl C-H | 13 |
| Amide | 13 |
Lógica de espectro
The logic here is evidence aggregation: repeated literature mentions of calcite, repeated peak positions, and repeated functional-group associations. A strong material hypothesis should still be supported by multiple peaks that agree with each other, not by one headline band alone.
Uso en el mundo real
Esta página está diseñada para la identificación de polímeros, control de calidad de materiales entrantes, análisis de plásticos desconocidos, revisión de contenido reciclado e interpretación respaldada por la literatura de espectros de referencia.
Errores comunes
- Llamar a una coincidencia de material demasiado pronto porque está presente un pico famoso.
- Ignorando la preparación de la muestra, cargas, oxidación, agua o aditivos que pueden cambiar el patrón aparente.
- Usando evidencia de la literatura sin verificar si su propio modo de muestreo y calidad del espectro son comparables.
Consejo de verificación
Use DSC, GC-MS o TGA para validar la hipótesis del material cuando el patrón de picos sea ambiguo o mixto.
Literatura detrás de esta página
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Laboratory Testing of Scheelite Flotation from Raw Ore in Sangdong Mine for Process Development DOI: 10.3390/min10110971 -
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calcite
Carbonate mineral identification and quantification in sediment matrices using diffuse reflectance infrared Fourier transform spectroscopy DOI: 10.1007/s10311-020-01027-4 -
confianza 0,9
calcite
Yaseen 等 - 2018 - Synthesis of calcium carbonate in alkali solution DOI: 10.1016/j.jssc.2018.03.005 -
confianza 0,9
calcite
Chong 等 - 2014 - Polymorphs Calcium Carbonate on Temperature Reacti DOI: 10.1063/1.4895169 -
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calcite
Jorda 等 - 2022 - Characterisation of clays from Alicante province ( DOI: 10.1007/s10653-021-00925-y -
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calcite
Les amas coquilliers du site Imiwaia I (Canal Beagle, Argentine). Étude des coquilles Mytilus edulis au moyen de la FTIR-ATR DOI: 10.1016/j.anthro.2013.02.004 -
confianza 0,9
calcite
Marsh 等 - 2019 - Influence of clay minerals and associated minerals DOI: 10.1016/j.conbuildmat.2019.116816 -
confianza 0,9
calcite
Direct-on-Filter FTIR Spectroscopy to Estimate Calcite as A Proxy for Limestone ‘Rock Dust’ in Respirable Coal Mine Dust Samples DOI: 10.3390/min11090922 -
confianza 0,9
calcite
Multi-Technique Characterization of Pictorial Organic Binders on XV Century Polychrome Sculptures by Combining Micro- and Non-Invasive Sampling Approaches DOI: 10.3390/app11178017 -
confianza 0,9
calcite
Formation and Inhibition of Calcium Carbonate Crystals under Cathodic Polarization Conditions DOI: 10.3390/cryst10040275
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