The method ist applicable to a concentration range of 0,003 to 1,0 % (m/m) of copper 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. ISO 4693 includes three annexes.
WITHDRAWN ISO 4693:1986 95.99
Withdrawal of Standard Dec 1, 2006