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

UNGÜLTIG herausgegeben am 17.6.1998

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

UNGÜLTIG herausgegeben am 17.6.1998

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

UNGÜLTIG herausgegeben am 17.6.1998

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

UNGÜLTIG herausgegeben am 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

UNGÜLTIG herausgegeben am 17.6.1998

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

UNGÜLTIG herausgegeben am 17.6.1998

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

UNGÜLTIG herausgegeben am 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

UNGÜLTIG herausgegeben am 17.6.1998

Foliar fertilizer with amino acid

UNGÜLTIG herausgegeben am 30.6.1998

Method of test for adhesive strength of sizes

UNGÜLTIG herausgegeben am 15.9.1979