Published
The 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.
WITHDRAWN
ISO 4687:1984
PUBLISHED
ISO 4687-1:1992
90.92
Standard to be revised
Nov 28, 2025
PROJECT
ISO/CD 4687-1
Iron ores — Determination of phosphorus content — Part 1: Molybdenum blue spectrophotometric method
90.92 Standard to be revised