Standard

ISO 3705:1976 en

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

31,57

About norm

Status Current
Number of pages 2
Published on 01-09-1976
Language English
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.

Details

ICS-code 71.060.10
Dutch title Sulphur for industrial use - Determination of arsenic content - Silver diethyldithiocarbamate photometric method
English title Sulphur for industrial use - Determination of arsenic content - Silver diethyldithiocarbamate photometric method

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