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ISO 10258:1994

Copper sulfide concentrates — Determination of copper content — Titrimetric methods ISO 10258:1994

Publication date:   Jun 16, 1994

95.99 Withdrawal of Standard   Jun 15, 2015

General information

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

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Scope

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.

Life cycle

NOW

WITHDRAWN
ISO 10258:1994
95.99 Withdrawal of Standard
Jun 15, 2015

REVISED BY

WITHDRAWN
ISO 10258:2015