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AS 2678.1-2008
$119.20
Zinc sulfide concentrates — Chemical analysis, Part 1: Determination of zinc — Solvent extraction and EDTA titrimetric method
Adopts ISO 13291:2006 to provide determination of zinc in zinc sulphide concentrates by a solvent extraction and EDTA titrimethric method.
Table of contents
Header
About this publication
Preface
1 Scope
2 Normative references
3 Principle
4 Reagents
4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8
4.9
4.10
4.11
4.12
4.13
4.14
4.15
4.16
4.17
4.18
5 Apparatus
5.1
5.2
5.3
5.4
5.5
5.6
6 Sample
6.1 Test sample
6.2 Test portion
7 Procedure
7.1 Number of determinations
7.2 Blank test
7.3 Dissolution of test portion
7.4 Extraction
7.5 Titration
7.6 Determination of the titration factor of the EDTA standard solution
8 Expression of results
9 Precision
9.1 Expression of precision
9.2 Procedure for obtaining the final result
9.3 Between-laboratories precision
9.4 Check of trueness
9.4.1 Type of certified reference material (CRM) or reference material (RM)
9.4.1.1 Reference material certified/characterized by an interlaboratory test programme
9.4.1.2 Reference material certified/characterised by one laboratory
10 Test report
Annex A
A.1 Scope
A.2 Principle
A.3 Reagents
A.3.1
A.4 Apparatus
A.4.1
A.4.2
A.4.3
A.5 Procedure
A.5.1 Preparation of the weighing vessel
A.5.2 Test portion
A.5.3 Determination of the test-portion dry mass
A.6 Calculation of the test-portion dry mass
Annex B
Annex C
C.1 Cadmium
C.2 Cobalt
C.3 Lead
C.4 Manganese
C.5 Magnesium
C.6 Titanium and vanadium
C.7 Other elements
Annex D
D.1 Introduction
D.2 Design of the test programme
D.3 Test samples
D.4 Statistical evaluation
Bibliography
Cited references in this standard
Please select a variation to view its description.
| Published | 12/03/2008 |
|---|---|
| Pages | 18 |
Please select a variation to view its pdf.
