ISO 11441:1995 Preview
Lead sulfide concentrates -- Determination of lead content -- Back titration of EDTA after precipitation of lead sulfate
This standard was last reviewed and confirmed in 2014. Therefore this version remains current.
Specifies a lead sulfate precipitation EDTA titrimetric method for the determination of lead content in lead sulfide concentrates. Applicable to all lead sulfide concentrates with lead content in the range from 10 % (m/m) to 80 % (m/m).