OS GSO ISO 4687-1:2013

ISO 4687-1:1992

Omani Standard Current Edition · Approved on 01 April 2013

Iron ores -- Determination of phosphorus content -- Part 1: Molybdenum blue spectrophotometric method

OS GSO ISO 4687-1:2013 Files

English 9 Pages

Current Edition Reference Language

OMR 31.09

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OS GSO ISO 4687-1:2013 Scope

This part of ISO 4687 specifies a molybdenum blue spectrophotometric method for the determination of the phosphorus content of iron ores. This method is applicable to phosphorus contents between 0,003 % (m/m) and 2 % (m/m) in natural iron ores, iron ore concentrates and agglomerates, including sinter products. The presence of arsenic, barium or titanium does not affect the result.

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