Determination of arsenic by the uranyl salt method. Part II. The radiometric determination of microgram amounts of arsenic by a filter-spot technique
Abstract
A development of the uranyl salt method for the gravimetric determination of arsenic is described. Gravimetric manipulations are conducted on a filter-paper base and the arsenic content of the ammonium uranyl arsenate precipitate is determined indirectly by measuring the alpha countrate of the associated uranium.
The method has been demonstrated to be applicable in the range 1 to 8 µg of arsenic.
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