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Copper, lead, zinc and nickel concentrates — Determination of mass loss of bulk material on drying
90.92 Standard to be revised
Copper sulfide concentrates — Determination of copper content — Titrimetric methods
90.93 Standard confirmed
Copper, lead and zinc sulfide concentrates — Determination of gold and silver — Fire assay gravimetric and flame atomic absorption spectrometric method
90.93 Standard confirmed
Copper sulfide concentrates — Determination of copper — Electrogravimetric method
90.60 Close of review
Lead sulfide concentrates — Determination of lead content — Back titration of EDTA after precipitation of lead sulfate
90.93 Standard confirmed
Copper and zinc sulfide concentrates — Determination of silver content — Acid digestion and flame atomic absorption spectrometric or inductively coupled plasma optical emission spectrometric method
60.60 Standard published
Copper, lead, zinc and nickel concentrates — Guidelines for the inspection of mechanical sampling systems
90.93 Standard confirmed
Copper, lead, zinc and nickel concentrates — Sampling of slurries
90.93 Standard confirmed
Zinc sulfide concentrates — Determination of zinc — Ion-exchange/EDTA titrimetric method
90.92 Standard to be revised
Lead sulfide concentrates — Determination of silver and gold contents — Fire assay and flame atomic absorption spectrometric method using scorification or cupellation
90.93 Standard confirmed
Copper, lead and zinc sulfide concentrates — Determination of transportable moisture limits — Flow-table method
90.93 Standard confirmed
Copper, lead, zinc and nickel concentrates — Sampling procedures for determination of metal and moisture content
90.60 Close of review
Copper, lead, zinc and nickel concentrates — Experimental methods for checking the precision of sampling
60.60 Standard published
Copper, lead and zinc ores and concentrates — Precision and bias of mass measurement techniques
90.93 Standard confirmed
Zinc sulfide concentrates — Determination of zinc — Solvent extraction and EDTA titrimetric method
90.93 Standard confirmed
Copper, lead, zinc and nickel concentrates — Experimental methods for checking the bias of sampling
90.93 Standard confirmed
Copper, lead, zinc and nickel sulfide concentrates — Determination of mass of contained metal in a lot
90.20 Standard under periodical review
Lead sulfide contentrates — Determination of lead content — EDTA titration method after acid digestion
90.93 Standard confirmed
