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ISO 13291:1997WithdrawnZinc sulfide concentrates — Determination of zinc content — Solvent extraction and EDTA titrimetric methodInternational Standard · Published 20 Nov 1997 · ISO/TC 183 ISO 13292:1997WithdrawnCopper, lead and zinc sulfide concentrates — Experimental methods for checking the bias of samplingInternational Standard · Published 20 Nov 1997 · ISO/TC 183 ISO 13543:1996WithdrawnCopper, lead and zinc sulfide concentrates — Determination of mass of contained metal in a lotInternational Standard · Published 20 Jun 1996 · ISO/TC 183 ISO 15247:1999WithdrawnZinc sulfide concentrates — Determination of silver content — Acid dissolution and flame atomic absorption spectrometric methodInternational Standard · Published 29 Apr 1999 · ISO/TC 183 ISO 15248:1998WithdrawnZinc sulfide concentrates — Determination of silver and gold contents — Fire assay and flame atomic absorption spectrometric method using scorification or cupellationInternational Standard · Published 17 Dec 1998 · ISO/TC 183 ISO 15249:1998WithdrawnZinc sulfide concentrates — Determination of gold content — Acid dissolution/solvent extraction/flame atomic absorption spectrometric methodInternational Standard · Published 17 Dec 1998 · ISO/TC 183 ISO/TR 15855:2001WithdrawnCopper, lead and zinc sulfide concentrates — Step-by-step procedure for the testing of static scalesTechnical Report · Published 9 Aug 2001 · ISO/TC 183