ISSN print edition: 0366-6352
ISSN electronic edition: 1336-9075
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Titrimetric determination of fluoride ions

E. Hlucháň, M. Sedlák, and M. Jeník

Forschungsinstitut für Hygiene, Bratislava 1

 

Abstract: A method for determination of fluoride ions by titration with thorium nitrate using methylthymol blue as metalochromic indicator was devised. All interfering admixtures were removed by distillation. The influence of pH, natrium chloride, sulfate ion and of the amount of indicator used in titration were determined. The procedure was applied in the range of concentrations up to 100  μg F- in 50 ml.

Full paper in Portable Document Format: 233a219.pdf (in German)

 

Chemical Papers 23 (3) 219–223 (1969)

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