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AS
AS 2678.2-2008

AS 2678.2-2008

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

Zinc sulfide concentrates - Chemical analysis Determination of zinc - Ion-exchange/EDTA titrimetric method

Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Withdrawn date

22-03-2021

Language(s)

English

Published date

12-03-2008

Publisher

Standards Australia

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Hardcopy - English
PDF 1 User - English
PDF 3 Users - English
PDF 5 Users - English
PDF 9 Users - English
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1 - AS 2678.2-2008 Zinc sulfide concentrates-Chemical analysis - Part 2: Determination of zinc-Ion-exchange/EDTA titrimetric method
4 - PREFACE
5 - CONTENTS
7 - 1 Scope
7 - 2 Normative references
7 - 3 Principle
7 - 4 Reagents
9 - 5 Apparatus
9 - 6 Sample
9 - 6.1 Test sample
9 - 6.2 Test portion
9 - 7 Procedure
9 - 7.1 Number of determinations
10 - 7.2 Blank test
10 - 7.3 Dissolution of test portion
10 - 7.4 Preparation of the ion-exchange column
11 - 7.5 Adsorption of zinc on ion-exchange column
11 - 7.6 Elution of zinc from ion-exchange column
11 - 7.7 Titration
11 - 7.8 Determination of the titration factor of the EDTA standard volumetric solution
12 - 8 Expression of results
13 - 9 Precision
13 - 9.1 Expression of precision
13 - 9.2 Procedure for obtaining the final result
13 - 9.3 Between-laboratories precision
14 - 9.4 Check of trueness
15 - 10 Test report
16 - Annex A (normative) Ion-exchange resins and columns
18 - Annex B (normative) Procedure for the preparation and determination of the mass of a predried test portion
20 - Annex C (normative) Determination of cadmium by atomic absorption spectrometry
22 - Annex D (normative) Flowchart of the procedure for the acceptance of analytical values for test samples
23 - Annex E (informative) Effect of potentially interfering elements
24 - Annex F (informative) Derivation of precision equations
29 - Bibliography

Adopts ISO12739:2006 to provide determination of zinc in zinc sulphide concentrates by an ion-exchange/EDTA titrimetric method.

Committee
MN-005
DocumentType
Standard
ISBN
0 7337 8587 5
Pages
23
ProductNote
Withdrawn 22-03-2021.
PublisherName
Standards Australia
Status
Withdrawn
Supersedes

Standards Relationship
ISO 12739:2006 Identical

Originated as AS 2678.2-1999.
Second edition 2008.

AS 2816-1992 Copper, lead and zinc sulfide concentrates - Determination of hygroscopic moisture in the analysis sample - Gravimetric method

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