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ISO/CD 7834

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

General information

30.99     Dec 3, 2025

ISO

ISO/TC 102/SC 2

International Standard

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

PREVIOUSLY

PUBLISHED
ISO 7834:1987

NOW

PROJECT
ISO/CD 7834
30.99 CD approved for registration as DIS
Dec 3, 2025