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ISO 3705:1976

Current Revision

Sulphur for industrial use -- Determination of arsenic content -- Silver diethyldithiocarbamate photometric method

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Applicable to products having As contents equal or more than 0.5 mg/kg. In a well-ventilated cupboard, dissolution of a test portion in carbon tetrachloride. Oxidation of sulphur by bromine and nitric acid. Heating in a boiling water bath to eliminate the exess of bromine, carbon tetrachloride and nitric acid. The analysis is carried out according to ISO 2590. The replacement of some reagents shall be noted.


SDO ISO: International Organization for Standardization
Document Number ISO 3705
Publication Date Not Available
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO TC 47
Publish Date Document Id Type View
Not Available ISO 3705:1976 Revision