How can you identify calcium phosphate from FTIR?
This page summarizes the recurring FTIR evidence reported for calcium phosphate, 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 15 cited sources
Quick answer
calcium phosphate 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
| Funktionelle Gruppe | Beweis |
|---|---|
| Phosphate (PO4) | 23 |
| Hydroxyl (O-H) | 9 |
| Alkyl C-H | 6 |
| Phosphorus | 4 |
| C-O single bond | 4 |
| Carbonate | 3 |
| Methoxy (OCH3) | 3 |
| Methacrylate | 3 |
Spectrum logic
The logic here is evidence aggregation: repeated literature mentions of calcium phosphate, 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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calcium phosphate
Development of Composite Scaffolds Based on Cerium Doped-Hydroxyapatite and Natural Gums—Biological and Mechanical Properties DOI: 10.3390/ma12152389 -
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calcium phosphate
Phillips 等 - 2005 - Surface modification of bioceramics by grafting of DOI: 10.1179/174367605X62436 -
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calcium phosphate
Abouzeid 等 - 2022 - PREPARATION AND PROPERTIES OF NOVEL BIOCOMPATIBLE DOI: 10.1615/CritRevBiomedEng.v40.i5.10 -
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calcium phosphate
Influence of Concentration Levels of -Tricalcium Phosphate on the Physical Properties of a Dental Adhesive DOI: 10.3390/nano12050853 -
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calcium phosphate
Characteristics of RF-Sputtered Thin Films of Calcium Phosphate on Titanium Dental Implants DOI: 10.3390/coatings7080126 -
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calcium phosphate
Exploring the Formation Kinetics of Octacalcium Phosphate from Alpha-Tricalcium Phosphate: Synthesis Scale-Up, Determination of Transient Phases, Their Morphology and Biocompatibility DOI: 10.3390/biom13030462 -
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calcium phosphate
Louvet 等 - 2015 - Characterisation of Calcium Phosphate Crystals on DOI: 10.1371/journal.pone.0115342 -
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calcium phosphate
Facile One-Step Synthesis of Calcium Phosphate/Cellulose Composite: Synthesis, Morphology, Structure and Properties DOI: 10.1002/masy.202000264 -
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calcium phosphate
Rosenthal 等 - 2008 - Characterization of articular calcium-containing c DOI: 10.1016/j.joca.2008.03.019. -
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Sahadat Hossain 和 Ahmed - 2023 - FTIR spectrum analysis to predict the crystalline DOI: 10.1039/d3ra02580b
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