ISO 548:1981Published

Manganese ores — Determination of barium oxide content — Barium sulphate gravimetric method

Minerais de manganèse — Dosage de l'oxyde de baryum — Méthode gravimétrique à l'état de sulfate de baryum

Abstract / scope

This second edition cancels and replaces the first edition (i.e. ISO 548-1975). Should be read in conjunction with ISO 4297. Specifies principle, reagents, apparatus, sample, procedure and expression of results.

Life cycle

Replaced by

ISO/DIS 548Deleted (project abandoned)Manganese ores and concentrates — Determination of barium oxide content — Gravimetric and flame atomic absorption spectrometric methodsInternational Standard · ISO/TC 65