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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Fresenius' Zeitschrift für analytische Chemie 268 (1974), S. 26-28 
    ISSN: 1618-2650
    Keywords: Best. von Fluorid in Purex-Prozeßlösung ; Elektroden, ionenselektive
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Zusammenfassung Durch destillative Fluoridabtrennung und anschließende elektrometrische Bestimmung läßt sich der Fluoridgehalt wäßriger und organischer Purex-Prozeßlösungen mit guter Genauigkeit bestimmen. Der Meßbereich der Methode liegt zwischen 5 und 500 μg Fluorid/Aliquot, die Bestimmungsgrenze bei 5 · 10−5 Mol Fluorid/l (1 ppm). In den Lösungen vorhandene Fluorokomplexbildner (Al3+, Zr4+, La3+, UO2 2+) stören die Fluoridanalysen nicht.
    Notes: Abstract The fluoride content of aqueous and organic Purex process solutions can be determined with good reproducibility and accuracy. The method includes a distillation separation of fluoride and its subsequent electrometric determination using a fluoride-selective electrode. The analytical range covers 5 to 500 μg of fluoride per aliquot and the concentration limit is 5×10−5 M (1 ppm). Complexing cations like Al(III), Zr(IV), La(III), and U(VI) do not interfere.
    Type of Medium: Electronic Resource
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