ISO 3333:1975
Ammonium sulphate for industrial use; Determination of copper content; Zinc dibenzyldithiocarbamate photometric method

Standard No.

ISO 3333:1975

Release Date

1975

Published By

International Organization for Standardization (ISO)

Status

Withdraw 2002-05

Latest

ISO 3333:1975

Scope

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.

ISO 3333:1975 history

• 1975 ISO 3333:1975 Ammonium sulphate for industrial use; Determination of copper content; Zinc dibenzyldithiocarbamate photometric method