ISO 5785:1978

Hydrochloric acid for industrial use — Determination of arsenic content — Silver diethyldithiocarbamate photometric method

Describes a method applicable to products having arsenic contents equal to or greater than 0,2 mg/kg. As far as principle, reagents and apparatus to be used are concerned, reference is amde to ISO 2590. Provides information on the expression of results and the particular to be included in the test report. The annex lists ISO publications covering the same subject.