The gas-chromatographic determination of arsanilic acid and carbarsone in animal feeding stuffs
- 1 January 1971
- journal article
- Published by Royal Society of Chemistry (RSC) in The Analyst
- Vol. 96 (1145) , 601-603
- https://doi.org/10.1039/an9719600601
Abstract
Methods are described for the determination of arsanilic acid and carbarsone in animal feeding stuffs. These additives are extracted from the feed with an aqueous solvent. Carbarsone is converted by hydrolysis with sodium hydroxide into arsanilic acid, which is then reduced with Raney alloy to aniline. The aniline, separated from the reaction mixture by steam distillation and solvent extraction, is determined by gas chromatography with flame-ionisation detection.Keywords
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