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ISO 3333:1975

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

Publication date:   Jul 1, 1975

95.99   Withdrawal of Standard   May 27, 2002

General information

95.99   Withdrawal of Standard   May 27, 2002

ISO

ISO/TC 47 Chemistry

International Standard

71.060.50   Salts

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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.

Life cycle

NOW

WITHDRAWN
ISO 3333:1975
95.99 Withdrawal of Standard
May 27, 2002




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