How can you identify calcium carbonate from FTIR?
This page summarizes the recurring FTIR evidence reported for calcium carbonate, 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 10 cited sources
Quick answer
calcium carbonate 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.
Peak interpretation
Possible materials / groups
| Functional group | Evidence |
|---|---|
| Alkyl C-H | 8 |
| Silicon-oxygen (Si-O) | 8 |
| Carbonate | 7 |
| Hydroxyl (O-H) | 6 |
| Methacrylate | 6 |
| Acetate | 6 |
| C-O single bond | 5 |
| Methoxy (OCH3) | 5 |
Spectrum logic
The logic here is evidence aggregation: repeated literature mentions of calcium carbonate, 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.
Real-world usage
This page is designed for polymer identification, incoming-material QC, unknown plastic analysis, recycled-content review, and literature-backed interpretation of reference spectra.
Common mistakes
- Calling a material match too early because one famous peak is present.
- Ignoring sample prep, fillers, oxidation, water, or additives that can change the apparent pattern.
- Using literature evidence without checking whether your own sampling mode and spectrum quality are comparable.
Verification advice
Use DSC, GC-MS, or TGA to validate the material hypothesis when the peak pattern is ambiguous or mixed.
Literature behind this page
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confidence 4.0
calcium carbonate
Organic Matter and Pigments in the Wall Paintings of Me-Taw-Ya Temple in Bagan Valley, Myanmar DOI: 10.3390/app112311441 -
confidence 4.0
calcium carbonate
The 20th Century Wall Paintings in the Chapel of the Fallen in Parma Cathedral (Italy): Scientific Investigations for a Correct Conservation Project DOI: 10.3390/app13127235 -
confidence 4.0
calcium carbonate
Material Analysis and a Visual Guide of Degradation Phenomena in Historical Synthetic Polymers as Tools to Follow Ageing Processes in Industrial Heritage Collections DOI: 10.3390/polym14010121 -
confidence 4.0
calcium carbonate
Rapid and Integrated Quality Assessment of Organic-Inorganic Composite Herbs by FTIR Spectroscopy—Global Chemical Fingerprints Identification and Multiple Marker Components Quantification of Indigo Naturalis (Qing Dai) DOI: 10.3390/molecules23112743 -
confidence 4.0
calcium carbonate
Formation and Inhibition of Calcium Carbonate Crystals under Cathodic Polarization Conditions DOI: 10.3390/cryst10040275 -
confidence 4.0
calcium carbonate
Zhu 等 - 2020 - Preparation and Characterization of Regenerated Ce DOI: 10.1002/marc.2004000172 -
confidence 2.5
calcium carbonate
Preparation, characterization and effect of calcium carbonate and titanium dioxide nano additives on fuel properties of tire oil diesel blend DOI: 10.1080/15567036.2018.1486919 -
confidence 0.95
calcium carbonate
Determination of the Conservation State of Some Documents Written on Cellulosic Support in the Poni-Cernătescu Museum, Iași City in Romania DOI: 10.3390/app11188726 -
confidence 0.9
calcium carbonate
Effects of sticky rice addition on the properties of lime-tile dust mortars DOI: 10.1186/s40494-020-00475-z -
confidence 0.4
calcium carbonate
Detection of silica and calcium carbonate deposits in granulomatous areas of skin sarcoidosis by μFourier transform infrared spectroscopy and Field Emission Scanning Electron Microscopy coupled with Energy Dispersive X-ray Spectroscopy analysis DOI: 10.1016/j.crci.2016.05.007
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