GB/T 14506.21-1993

Silicate rocks—Determination of nickel and cobalt content—Ammonium hydroxide-ammonium chloride-sulfosalicylic acid-dimethyl glyoxime medium polarographic method

NORMA vydaná dňa 19.6.1993

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The information about the standard:

Designation standards: GB/T 14506.21-1993
Note: NEPLATNÁ
Publication date standards: 19.6.1993
Country: Chinese technical standard
Kategória: Technické normy GB