ISO 3333:1975
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Ammonium sulphate for industrial use — Determination of copper content — Zinc dibenzyldithiocarbamate photometric method
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
04-03-2019
English, French
01-07-1975
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.
DocumentType |
Standard
|
Pages |
3
|
PublisherName |
International Organization for Standardization
|
Status |
Withdrawn
|
Standards | Relationship |
BS 3786:1964 | Similar to |
NBN T 03 070 : 1979 | Identical |
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