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  • 1980-1984  (1)
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    ISSN: 1618-2650
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Summary A rapid, accurate and precise method for the determination of zirconium in silicates is proposed. Insoluble or sparingly soluble samples are decomposed by means of molten sodium hydroxide. Chloranilic acid is employed as reagent for the spectrophotometric determination of Zr(IV). The limit of detection is 1.2×10−7 M and the relative standard deviation is 0.24%.
    Notes: Zusammenfassung Eine schnelle, genaue und präzise Methode für die Analyse von Zirkonium in Silicaten wird vorgestellt. Der Aufschluß von Zirkoniumsilicat mit geschmolzenem Alkalihydroxid ist für schwerlösliche Proben besonders geeignet. Die spektralphotometrische Bestimmung von Zirkonium mit Chloranilsäure (2,5-Dichlor-3,6-dihydroxy-1,4-benzochinon) zeigt, daß diese Methode sehr empfindlich und selektiv ist (Nachweisgrenze 1,2 · 10−7 M, Standardabweichung 0,24%).
    Type of Medium: Electronic Resource
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