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WITHDRAWN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
15 qer 2015
WITHDRAWN
ISO 10258:2015
Koncentrate të bakrit, plimbit, sulfidit të zinkut - Përcaktimi i përmbajtjes së bakrit- Metoda titrimetrike
95.99 Withdrawal of Standard
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