Analysis of bioactive fluoride-containing calcium aluminosilicate glasses

Different decomposition methods in aqueous solutions were evaluated on their accuracy and reproducibility for the quantitative determination of the constituents of bioactive fluoride-containing glasses used in dental glass ionomer cements. The concentrations of metals can be determined rapidly and a...

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Bibliographic Details
Published in:Analytica chimica acta 1998-01, Vol.358 (1), p.79-83
Main Authors: De Maeyer, E.A.P, Verbeeck, R.M.H
Format: Article
Language:English
Subjects:
AAS
Analytical, structural and metabolic biochemistry
Bioactive fluoride-containing glasses
Biological and medical sciences
Decomposition method
Destructive analysis
Fundamental and applied biological sciences. Psychology
Inorganic compounds
Ion-selective electrode
Medical sciences
Other biological molecules
Radiotherapy. Instrumental treatment. Physiotherapy. Reeducation. Rehabilitation, orthophony, crenotherapy. Diet therapy and various other treatments (general aspects)
Technology. Biomaterials. Equipments. Material. Instrumentation
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Summary:Different decomposition methods in aqueous solutions were evaluated on their accuracy and reproducibility for the quantitative determination of the constituents of bioactive fluoride-containing glasses used in dental glass ionomer cements. The concentrations of metals can be determined rapidly and accurately by atomic absorption spectrophotometry after degrading the sample in hydrochloric or hydrofluoric acid. The latter degradation method is also suited for the determination of Si. F can be determined with an ion-selective electrode after degrading the samples in 0.5 M HCl. Higher HCl concentrations enhance the risk of HF release.
ISSN:0003-2670
1873-4324
DOI:10.1016/S0003-2670(97)00591-6