AS 2917.3-2008

1 - AS 2917.3-2008 Copper sulfide concentrates - Part 3: Determination of copper-Electrogravimetric method
4 - PREFACE
5 - CONTENTS
6 - INTRODUCTION
7 - 1 Scope
7 - 2 Normative references
7 - 3 Principle
8 - 4 Reagents
10 - 5 Apparatus
11 - 6 Sample
11 - 6.1 Test sample
11 - 6.2 Test portion
11 - 7 Procedure
11 - 7.1 Number of determinations
11 - 7.2 Blank test
11 - 7.3 Dissolution of test portion
11 - 7.4 Separation of arsenic, antimony, tin, selenium and silver
12 - 7.5 Copper separation
13 - 7.6 Electrolytic deposition
14 - 7.7 FAAS determination of copper in the electrolyte, filter residues and sulfide precipitates
15 - 7.8 FAAS determination of copper in the electrolyte, filter residues and precipitates (hydroxide separation method)
16 - 8 Expression of results
16 - 9 Precision
16 - 9.1 Expression of precision
16 - 9.2 Method for obtaining the final result (see Annex B)
17 - 9.3 Precision between laboratories
17 - 9.4 Check of trueness
18 - 10 Test report
19 - Annex A (normative) Procedure for the preparation and determination of the mass of a predried test portion
21 - Annex B (normative) Flowsheet of the procedure for the acceptance of analytical values for test samples
22 - Annex C (informative) Derivation of precision equations

Adopts ISO10469:2006 to provide an electrogravimetric method for determining copper in copper sulphide concentrates.

Originated as AS 2917.3-1994.
Second edition 2008.