ISO 3333:1975

Ammonium sulphate for industrial use — Determination of copper content — Zinc dibenzyldithiocarbamate photometric method
Applicable to products of which the Cu content is more than 0,1 mg/kg. The detection bases on the formation of a coloured complex of copper and of zinc dibenzyldithiocarbamate and photometric measurement at a wavelength of about 435 nm.
SDO:
ISO
Language:
English
ICS Codes:
71.060.50
Status:
Withdrawn
Publish date:
1975-06-30
Standard Number:
ISO 3333:1975