Method for chemical analysis of Zirconium ores—Determination of Zirconium and Hafnium contents—X-ray fluorescence spectrometric method

NEPLATNÁ vydána dne 17.6.1998

Method for chemical analysis of rare earth ores—Determination of separated rare earth content—Preconcentration and separation by cation exchange resin,ICP-AES method

NEPLATNÁ vydána dne 17.6.1998

Method for chemical analysis of rare earth ores—Determination of scandium content—ICP-AES method

NEPLATNÁ vydána dne 17.6.1998

Methods for analysis of noble metals in geochemical samples—General rules and regulations

NEPLATNÁ vydána dne 17.6.1998

Methods for analysis of noble metals in geochemical samples—Determination of platinum and rhodium content-Preconcentration by thiourea-Catalytic polarographic method

NEPLATNÁ vydána dne 17.6.1998

Methods for analysis of noble metals in geochemical samples—Determination of palladium content-Preconcentration by thiourea-Graphite furnace atomic absorption spectrophotometric method

NEPLATNÁ vydána dne 17.6.1998

Methods for analysis of noble metals in geochemical samples—Determination of iridium content—Preconcentration by thiourea—Catalytic spectrophotometric method

NEPLATNÁ vydána dne 17.6.1998

Methods for analysis of noble metals in geochemical samples—Determination of ruthenium and osmium content-Separation by distillation—Catalytic spectrophotometric method

NEPLATNÁ vydána dne 17.6.1998

Methods for analysis of noble metals in geochemical samples—Determination of platinum palladium and gold content-Preconcentration by fire assay-Emission spectrographic method

NEPLATNÁ vydána dne 17.6.1998

Foliar fertilizer with amino acid

NEPLATNÁ vydána dne 30.6.1998