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Nickel sulfide concentrate - Determination of platinum and palladium contents by fire assay and ICP-OES
00.00 Proposal for new project received
Copper, lead and zinc concentrates - Determination of arsenic and other elements - Acid digestion and inductively coupled plasma atomic emission spectrometric method
00.00 Proposal for new project received
Copper and zinc sulfide concentrates — Determination of fluorine and chlorine contents-- Steam distillation and ion chromatography method
00.60 Close of review
Copper, lead and zinc sulfide concentrates — Step-by-step procedure for the testing of static scales
90.92 Standard to be revised
Zinc sulfide concentrates — Determination of zinc — Ion-exchange/EDTA titrimetric method
20.20 Working draft (WD) study initiated