ISO 4293:1982Published

Manganese ores and concentrates — Determination of phosphorus content — Extraction-molybdovanadate photometric method

Minerais et concentrés de manganèse — Dosage du phosphore — Méthode photométrique au molybdovanadate avec extraction

Abstract / scope

The method is applicable to products having phosphorus contents from 0,02 to 0,5 % (m/m). ISO 4293 should be read in conjunction with ISO 4297. Specifies principle, reagents, apparatus, sample, procedure and expression of results.

Life cycle

Replaces

ISO/R 321:1963WithdrawnMethods of chemical analysis of manganese ores — Determination of phosphorusRecommendation · Published 1 Jul 1963 · ISO/TC 65

Replaced by

ISO/CD 4293Deleted (project abandoned)Manganese ores and concentrates — Determination of phosphorus content — Spectrophotometric methodsInternational Standard · ISO/TC 65