How can you identify silicate from FTIR?
This page summarizes the recurring FTIR evidence reported for silicate, 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
silicate 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
| Functionele groep | Bewijs |
|---|---|
| Silicon-oxygen (Si-O) | 9 |
| Hydroxyl (O-H) | 9 |
| Silicate | 8 |
| Silicon (Si) | 7 |
| Methacrylate | 5 |
| Acetate | 5 |
| Metal oxygen | 5 |
| Alkyl C-H | 4 |
Spectrum logic
The logic here is evidence aggregation: repeated literature mentions of silicate, 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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Silicate
Sodium Silicate from Rice Husk Ash and Their Effects as Geopolymer Cement DOI: 10.3390/polym14142920 -
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SILICATE
Huang Qing 等 - 2020 - EFFECT OF ETHYL SILICATE ON THE WATER RESISTANCE O DOI: 10.13168/cs.2019.0051 -
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silicate
Rodrigues 等 - 2018 - Historic K-rich silicate glass surface alteration DOI: 10.1007/BF01245513. -
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silicate
Hybrid amorphous-crystalline silicate composites as feasible solid-state electrolytes DOI: 10.1016/j.matdes.2022.110599 -
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Silicate
Vale 等 - 2018 - Novel Antibacterial and Bioactive Silicate Glass N DOI: 10.1002/adem. -
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Silicate
Organic Matter and Mineral Composition of Silicate Soils: FTIR Comparison Study by Photoacoustic, Diffuse Reflectance, and Attenuated Total Reflection Modalities DOI: 10.3390/agronomy11091879 -
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silicate
Yang 等 - 2009 - Kinetics of silicate sorption on magnetite and mag DOI: 10.1016/j.colsurfa.2009.01.041 -
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silicate
Polymerization of silicate on TiO2 and its influence on arsenate adsorption: An ATR-FTIR study DOI: 10.1016/j.colsurfa.2015.01.021 -
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silicate
Bakar 等 - 2010 - Preparation and Property Evaluation of Nanocomposi DOI: 10.1002/adv.20192 -
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silicate
Yadav 等 - 2022 - Determination of Adsorption of Methylene Blue Dye DOI: 10.1155/2022/8565151
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