ISO 7834:1987
Iron ores; Determination of arsenic content; Molybdenum blue spectrophotometric method

Standard No.

ISO 7834:1987

Release Date

1987

Published By

International Organization for Standardization (ISO)

Latest

ISO 7834:1987

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.

ISO 7834:1987 history

• 1987 ISO 7834:1987 Iron ores; Determination of arsenic content; Molybdenum blue spectrophotometric method