Methods for chemical analysis of lead concentrates The Na2EDTA volumetric method for the determination of lead content

WITHDRAWN published on 10.8.1987

Methods for chemical analysis of lead concentrates—Determination of silver content—Flame atomic absorption spectrophotometric method

WITHDRAWN published on 31.3.1989

Methods for chemical analysis of lead concentrates—Determination of mercury content—Atomic fluorescence spectrometer method

WITHDRAWN published on 24.8.2006

Methods for chemical analysis of lead concentrates The Na2EDTA volumetric method for the determination of zinc content

WITHDRAWN published on 10.8.1987

Methods for chamical analysis of lead concentrates The chromazurol S spectrophotometric method for the determination of aluminium () oxide content

WITHDRAWN published on 10.8.1987

Methods for chemical analysis of lead concentrates--The atomic absorption spectrophotometric method forthe determination of copper content

WITHDRAWN published on 10.8.1987

Methods for chemical analysis of lead concentrates--The atomic absorption spectrophotometric methodfor the determination of magnesium oxide content

WITHDRAWN published on 10.8.1987

Methods for chemical analysis of lead concentrates--The polarographic method for the determination of bismuth content

WITHDRAWN published on 10.8.1987

Methods for chemical analysis of lead concentrates--The arsenic-bismuth-molybdenum blue spectrophotometric method for the determination of arsenic content

WITHDRAWN published on 10.8.1987

Methods forchemical analysis of lead concentrates--The DTPM spectrophotometric method for the determination of bismuth content

WITHDRAWN published on 10.8.1987