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ISO/R 552:1966Withdrawn

Methods of chemical analysis of manganese ores — Determination of calcium oxide content and magnesium oxide content

Méthodes d'analyse chimique des minerais de manganèse — Détermination de la teneur en oxyde de calcium et en oxyde de magnésium

This edition has been replaced by ISO 6233:1983.

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Life cycle

Replaced by

ISO 6233:1983PublishedManganese ores and concentrates — Determination of calcium and magnesium contents — EDTA titrimetric methodInternational Standard · Published 1 Jul 1983 · ISO/TC 132