90.93 Standard confirmed Jan 17, 2020
ISO
ISO/TC 183 Copper, lead, zinc and nickel ores and concentrates
International Standard
73.060.99 Other metalliferous minerals
Published
This International Standard specifies a lead sulfate precipitation EDTA titrimetric method after acid decomposition for
determination of the lead content of lead sulfide concentrates.
The method is applicable to lead sulfide concentrates having lead content in the range 50 % (m/m) to 80%(m/m). The
method is not applicable to lead concentrates containing more than 1 % (m/m) of barium.
PUBLISHED
ISO 13545:2000
90.93
Standard confirmed
Jan 17, 2020