Comparison of Different Classical and Instrumental Analysis Methods for Precise Quantification of Calcium and Phosphorous Ratio in Hydroxyapatite
Key Engineering Materials. Vol.800: Materials Science and Applied Chemistry II: Selected, peer reviewed papers from the 59th International Scientific Conference of Riga Technical University (RTU), Section of Materials Science and Applied Chemistry - MSAC 2018 2019
Vladlens Grebņevs, Lauma Buša, Liene Plūduma, Artūrs Vīksna, Kārlis-Agris Gross

The largest comparison of analytical techniques that are useful for calcium phosphate analysis has been conducted, presenting recommendations for quality control and research of calcium phosphates. Results from three classical quantification methods (gravimetry, titrimetry, photometry) and three instrumental measurement methods (XRF, FAAS ICP-OES) are reported to determine the most accurate, fastest and cheapest analysis method. Remarks are given about increasing the accuracy for each method, and corrections are made for adsorbed water. For routine analysis, a recommendation is given to ICP-OES for a fast analysis together with a less frequent use of gravimetry to validate the results and provide a periodic cross-check.


Keywords
hydroxyapatite, calcium, phosphorus, quantification, titrimetry, photometry, gravimetry, wavelength dispersive X-ray fluorescence, inductively coupled plasma – optical emission
DOI
10.4028/www.scientific.net/KEM.800.47
Hyperlink
https://www.scientific.net/KEM.800.47

Grebņevs, V., Buša, L., Plūduma, L., Vīksna, A., Gross, K. Comparison of Different Classical and Instrumental Analysis Methods for Precise Quantification of Calcium and Phosphorous Ratio in Hydroxyapatite. In: Key Engineering Materials. Vol.800: Materials Science and Applied Chemistry II: Selected, peer reviewed papers from the 59th International Scientific Conference of Riga Technical University (RTU), Section of Materials Science and Applied Chemistry - MSAC 2018, Latvia, Rīga, 26-26 October, 2018. Switzerland: Trans Tech Publications, 2019, pp.47-51. ISSN 1013-9826. e-ISSN 1662-9795. Available from: doi:10.4028/www.scientific.net/KEM.800.47

Publication language
English (en)
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