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.
Status: WithdrawnPublication date: 1994-06
Edition: 1Number of pages: 17
Technical Committee: ISO/TC 183 Copper, lead, zinc and nickel ores and concentrates
- ICS :
- 73.060.99 Other metalliferous minerals
ISO 10258:1994Stage: 95.99
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