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ISO 8531:1986PublishedManganese and chromium ores — Experimental methods for checking the precision of moisture determinationInternational Standard · Published 13 Nov 1986 · ISO/TC 132ISO 8541:1986PublishedManganese and chromium ores — Experimental methods for checking the bias of sampling and sample preparationInternational Standard · Published 16 Oct 1986 · ISO/TC 132ISO 8542:1986PublishedManganese and chromium ores — Experimental methods for evaluation of quality variation and methods for checking the precision of samplingInternational Standard · Published 20 Nov 1986 · ISO/TC 132ISO 9292:1988PublishedManganese ores and concentrates — Determination of total iron content — 1,10-Phenanthroline spectrometric methodInternational Standard · Published 8 Dec 1988 · ISO/TC 132ISO 9681:1990PublishedManganese ores and concentrates — Determination of iron content — Flame atomic absorption spectrometric methodInternational Standard · Published 25 Oct 1990 · ISO/TC 132ISO 9681Under developmentManganese ores and concentrates — Determination of iron content — Flame atomic absorption spectrometric methodInternational Standard · ISO/TC 132ISO/R 309-1:1963WithdrawnMethods of sampling manganese ores — Part 1: Ore loaded in freight wagonsRecommendation · Published 1 Jul 1963 · ISO/TC 65ISO 310:1981WithdrawnManganese ores — Determination of hygroscopic moisture content in analytical samples — Gravimetric methodInternational Standard · Published 1 Aug 1981 · ISO/TC 65ISO/R 311:1963WithdrawnMethods of chemical analysis of manganese ores — Determination of silicon dioxideRecommendation · Published 1 Jul 1963 · ISO/TC 65ISO 312:1980WithdrawnManganese ores — Determination of active oxygen content, expressed as manganese dioxide — Volumetric methodInternational Standard · Published 1 May 1980 · ISO/TC 65ISO/R 313:1963WithdrawnMethods of chemical analysis of manganese ores — Determination of total iron contentRecommendation · Published 1 Jul 1963 · ISO/TC 65ISO 314:1981WithdrawnManganese ores — Determination of carbon dioxide content — Gravimetric methodInternational Standard · Published 1 Nov 1981 · ISO/TMBGISO/R 315:1963WithdrawnMethods of chemical analysis of manganese ores — Determination of nickelRecommendation · Published 1 Jul 1963 · ISO/TC 65ISO 316:1982WithdrawnManganese ores — Determination of cobalt content — Nitroso-R-salt photometric methodInternational Standard · Published 1 Oct 1982 · ISO/TMBGISO/R 317:1963WithdrawnMethods of chemical analysis of manganese ores — Determination of arsenicRecommendation · Published 1 Jul 1963 · ISO/TC 65ISO/R 318:1963WithdrawnMethods of chemical analysis of manganese ores — Determination of aluminium oxideRecommendation · Published 1 Jul 1963 · ISO/TC 65ISO/R 319:1963WithdrawnMethods of chemical analysis of manganese ores — Determination of total manganese contentRecommendation · Published 1 Jul 1963 · ISO/TC 65ISO/R 321:1963WithdrawnMethods of chemical analysis of manganese ores — Determination of phosphorusRecommendation · Published 1 Jul 1963 · ISO/TC 65ISO/R 322:1978WithdrawnMethods of chemical analysis of manganese ores — Determination of copperRecommendation · Published 1 Nov 1978 · ISO/TC 65ISO/R 323:1963WithdrawnMethods of chemical analysis of manganese ores — Determination of leadRecommendation · Published 1 Jan 1963 · ISO/TC 65ISO/R 550:1966WithdrawnMethods of chemical analysis of manganese ores — Determination of titanium contentRecommendation · Published 1 Dec 1966 · ISO/TC 65ISO 551:1975WithdrawnManganese ores — Determination of zinc content — Zinc mercurithyocyanate gravimetric methodInternational Standard · Published 1 Feb 1975 · ISO/TC 65ISO/R 552:1966WithdrawnMethods of chemical analysis of manganese ores — Determination of calcium oxide content and magnesium oxide contentRecommendation · Published 1 Dec 1966 · ISO/TC 65ISO 553:1981WithdrawnManganese ores — Determination of vanadium content — Titrimetric method and phosphotungstovanadate photometric methodInternational Standard · Published 1 Nov 1981 · ISO/TMBGISO 620:1975WithdrawnManganese ores — Determination of zinc content — Polarographic method (zinc content between 0,005 and 0,1 %)International Standard · Published 1 Jan 1975 · ISO/TC 65