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ISO 3705:1976

Sulphur for industrial use — Determination of arsenic content — Silver diethyldithiocarbamate photometric method
1. 9. 1976.

Опште информације

90.93     14. 2. 2025.

ISO

ISO/TC 47

Međunarodni standard

71.060.10  

francuski   engleski  

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Apstrakt

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.

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TRENUTNO

OBJAVLJEN
ISO 3705:1976
90.93 Odluka o potvrđivanju standarda
14. 2. 2025.