Standard

ISO 5418-1:1994

May 1994 Withdrawn

Note: Latest version: ISO 5418-1:2006

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Abstract

The principle of the method specified is decomposition of the test portion by treatment with hydrochloric, nitric and perchloric acids, dehydration of silica, dilution and filtration, ignition of the residue, treatment with hydrofluoric and sulfuric acids, fusion with sodium carbonate, dissolution of the cooled melt in the filtrate, reduction of copper(II) to form the red-violet complex of copper(I), spectrophotometric measurement of the absorbance of the complex at approximately 545 nm. The method is applicable to copper contents between 0,004 % (m/m) and 0,8 % (m/m) in natural iron ores, iron ore concentrates and agglomerates, including sinter products.

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Standard from ISO
Published: May 19 1994
Withdrawn: December 1 2006
Period for objection until: December 31 1992
Edition: 1
Document type: IS
Pages
ISBN:

Publisher: ISO
Distributor: ISO
ICS: 73.060.10
International TC: ISO/TC 102/SC 2

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Revised by: ISO 5418-1:2006
Revises: ISO 5418:1984

ISO 5418-1:1994

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ISO 5418-1:2006

ISO 5418-1:1994

ISO 5418:1984

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ISO 5418-1:2006

ISO 5418-1:1994

ISO 5418:1984

Abstract

Products specifications

Product Relations

Product life cycle