Methods for chemical analysis of bismuth—Determination of chlorine content—Distillation-mercuric thiocyanate photometric method

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NEPLATNÁ vydaná dňa 1.1.1987

Methods for chemical analysis of bismuth—Determination of tellurium content-Coprecipitation with arsenic-oscillopolarog raphic method

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Methods for chemical analysis of indium--The molybdenum blue photometric method for the determination of arsenic content

NEPLATNÁ vydaná dňa 1.1.1987

Methods for chemical analysis of indium--The phenylfluorone-cetyl trimethyl ammonium bromides photometric method for the determination of tin content

NEPLATNÁ vydaná dňa 1.1.1987

Methods for chemical analysis of indium--The methyl green photometric method for the determination of thallium content

NEPLATNÁ vydaná dňa 1.1.1987

Methods for chemical analysis of indium--The chromazurol S-tetradecyl pyridine bromide photometric method for the determination of aluminium content

NEPLATNÁ vydaná dňa 1.1.1987

Methods for chemical analysis of indium--The flame atomic absorption spectrophotometric method for the determination of copper, iron, zinc and cadmium content

NEPLATNÁ vydaná dňa 1.1.1987

Methods for chemical analysis of indium--The flame atomic absorption spectrophotometric method for the determination of lead content

NEPLATNÁ vydaná dňa 1.1.1987

The general principles for electrcity balance of equipment of industrial enterprise

NEPLATNÁ vydaná dňa 29.9.1987