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The problem of fluorides determination in drinking waters

J. Mayer and E. Hlucháň

Institut für Hygiene in Bratislava

 

Abstract: The direct detn. of fluorides in drinking waters by aluminon, chromazurole, and titration methods were compared. The effect of SO4--, Cl-, I-, Br-, PO4---, H2PO4-, B4O2--, Al+++, Ca++, and Fe+++ ions in various concns. were studied. The best method was the direct titration with Th(NO3)4.4H2O with Alizarin Red indicator, with some modification after eliminating interfering sulfates as BaSO4.

Full paper in Portable Document Format: 123a143.pdf (in Slovak)

 

Chemical Papers 12 (3) 143–154 (1958)

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