GB 2142-1980

Determination of copper content in tellurium--Neocuproine Chloroform extraction photometric method

NORMA vydána dne 1.1.1980

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The information about the standard:

Designation standards: GB 2142-1980
Note: NEPLATNÁ
Publication date standards: 1.1.1980
Country: Chinese technical standard
Kategorie: Technické normy GB