Abstract
Abstract Losses of mercury from biological samples subjected to ashing in open systems can be obviated by oxygen flask combustion. The sample must support combustion, however. A method is described for the determination of mercury in mineral soil which is mixed with cellulose acetate powder to allow combustion. Mercury is then determined spectrophotometrically as the dithizonate. The sensitivity of the method is about 0.1 ppm mercury. The recovery of mercury from soil is reported.
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