95.99 Withdrawal of Standard Jun 15, 2015
ISO
ISO/TC 183 Copper, lead, zinc and nickel ores and concentrates
International Standard
73.060.99 Other metalliferous minerals
Specifies two titrimetric methods for the determination of the copper content of copper sulfide concentrates in the range 15 % (m/m) to 50 % (m/m), titrating free iodine isolated by reaction between iodide ions and copper(II) ions with sodium thiosulfate using soluble starch as the indicator after separation (method 1) or without separation (method 2) of copper from interfering elements.
WITHDRAWN
ISO 10258:1994
95.99
Withdrawal of Standard
Jun 15, 2015
WITHDRAWN
ISO 10258:2015