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ISO 7834:1987

Iron ores — Determination of arsenic content — Molybdenum blue spectrophotometric method

Publication date:   Dec 17, 1987

General information

90.92   Standard to be revised   Oct 8, 2025

ISO

ISO/TC 102/SC 2 Chemical analysis

International Standard

73.060.10   Iron ores

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Scope

The method ist applicable to a concentration range of 0,0001 to 0,1 % (m/m) (1 bis 1000 /g) of arsenic in natural iron ores, and iron ore concentrates and agglomerates including sinter products. Specifies principle, reagents, apparatus, sampling and samples, procedure, expression of results, and test report. Includes three annexes. A figure shows the arsenic distillation apparatus.

Life cycle

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PUBLISHED
ISO 7834:1987
90.92 Standard to be revised
Oct 8, 2025

REVISED BY

IN_DEVELOPMENT
ISO/CD 7834