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Copper, lead, zinc and nickel sulfide concentrates — Determination of arsenic — Part 1: Iron hydroxide concentration and inductively coupled plasma atomic emission spectrometric method
90.93 Standard confirmed
Copper, lead, zinc and nickel sulfide concentrates — Determination of arsenic — Part 2: Acid digestion and inductively coupled plasma atomic emission spectrometric method
90.93 Standard confirmed
Zinc sulfide concentrates — Determination of zinc content — Hydroxide precipitation and EDTA titrimetric method
90.93 Standard confirmed
Zinc sulfide concentrates — Determination of silver content — Acid dissolution and flame atomic absorption spectrometric method
90.93 Standard confirmed
Copper and nickel sulfide ores and concentrates — Determination of total chlorine content — Alkaline fusion and potentiometric titration method
60.60 Standard published
Copper, lead and zinc sulfide concentrates — Determination of cadmium — Part 1: Flame atomic absorption spectrometric method
60.60 Standard published
Copper, lead and zinc sulfide concentrates — Determination of cadmium — Part 2: Acid digestion and inductively coupled plasma atomic emission spectrometric method
60.60 Standard published
Copper and zinc sulfide concentrates — Determination of thallium — Acid digestion and inductively coupled plasma-mass spectrometry
60.60 Standard published
Copper, lead, zinc and nickel sulfide concentrates — Determination of hygroscopic moisture content of the analysis sample — Gravimetric method
90.93 Standard confirmed
Copper and zinc sulfide concentrates — Determination of silver content — Acid digestion and flame atomic absorption or inductively coupled plasma emission spectrometric method
30.60 Close of voting/ comment period
Copper, lead and zinc sulfide concentrates — Determination of fluorine content by sodium hydroxide fusion and fluoride ion selective electrode detection
30.99 CD approved for registration as DIS
Copper, lead, zinc and nickel concentrates — Experimental methods for checking the precision of sampling
40.20 DIS ballot initiated: 12 weeks
Copper, lead and zinc sulfide concentrates — Step-by-step procedure for the testing of static scales
10.60 Close of voting
Copper, lead, zinc and nickel concentrates — Determination of mass loss of bulk material on drying
00.00 Proposal for new project received
Copper, lead and zinc ores and concentrates — Precision and bias of mass measurement techniques
00.00 Proposal for new project received
Copper, lead, zinc and nickel — Sampling Procedures — Part 1: Ores
00.00 Proposal for new project received
Copper, lead, zinc and nickel — Sampling procedures — Part 2: Intermediates and Residues
00.00 Proposal for new project received
Copper, lead, zinc and nickel — Sampling procedures — Part 3: Smelter Products
00.00 Proposal for new project received