Determination of trace amounts of seleni
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Hannah R. Klein; Robert H. King; William J. Mader
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Article
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1969
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John Wiley and Sons
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English
β 470 KB
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A quantitative method for the determination of less than 30 p.p.m. selenium in organic sulfur-containing drugs has been developed. The procedure utilizes oxygen flask combustion for decomposition of the organic matter and colorimetric measurement of selenium after reacting with 2,3-diaminonaphthalen