Abstract
1. A new method for simultaneously determining carbon, hydrogen and mercury in organo-mercury compounds (which do not contain halogen) from a single weighed sample of 3–7 mg has been worked out. 2. he method consists of the decomposition of a weighed sample of the substance in a current of oxygen (at a rate of 18–20 ml/min) at 900–950° with subsequent burning of the products of pyrolysis at 650–680° over cobaltous and cobalt oxide and entrapment of the metallic mercury at room temperature in an apparatus containing silvered pumice which is attached to the tube by a ground glass joint. Water and carbon dioxide are subsequently entrapped by anhydron and ascarite. The precision of the determination for carbon and hydrogen is ±0.3%; for mercury ±0.5%.
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