Within the studies, three methodological versions of the determination of VI chromium with diphenylcarbazide have been evaluated. The versions differed primarily by the technique of elution (acid, alkaline) of the chromium sample from the filter. As optimum conditions for determining Cr VI in the presence of Cr III and Fe III, the parameters adopted by Carelli have been determined, some modifications being made consisting in improving and simplifying the analytical procedures, as well as making them more precise, and in the use of available materials.
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Within the studies, three methodological versions of the determination of VI chromium with diphenylcarbazide have been evaluated. The versions differed primarily by the technique of elution (acid, alkaline) of the chromium sample from the filter. As optimum conditions for determining Cr VI in the presence of Cr III and Fe III, the parameters adopted by Carelli have been determined, some modifications being made consisting in improving and simplifying the analytical procedures, as well as making them more precise, and in the use of available materials.
View Article and Find Full Text PDFPotentiometric determination of plutonium by argentic oxidation, ferrous reduction and dichromate titration.
Talanta
March 1966
U.K.A.E.A., Reactor Group, Dounreay Experimental Reactor Establishment, Thurso, Caithness, Scotland.
A simple and rapid method is described for the routine determination of plutonium with a coefficient of variation of better than 0.2%. It is directly applicable to nitrate solutions containing a large amount of uranium; moderate amounts of iron, molybdenum, fluoride and phosphate do not interfere.
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