Published
This International Standard specifies a hydroxide precipitation and EDTA titrimetric method for the determination of
the zinc content of zinc ores and concentrates containing 10 % (m/m) to 60%(m/m) zinc.
PUBLISHED
ISO 13658:2000
90.93
Standard confirmed
Sep 18, 2025
Zinc sulfide concentrates — Determination of zinc content — Hydroxide precipitation and EDTA titrimetric method
60.60 Standard published