ISO 3705:1976 (R2025)
Active , Reaffirmed Standard
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ISO 3705:1976 (R2025)

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

Summary

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.

Notes

90.60 : Clôture de l'examen

Technical characteristics

Publisher International Organization for Standardization (ISO)
Publication Date 09/01/1976
Confirmation Date 02/14/2025
Edition 1
Page Count 2
EAN ---
ISBN ---
Weight (in grams) ---
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