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AS
AS 2140-2008

AS 2140-2008

Current

Current

The latest, up-to-date edition.

Jewellery - Fineness of precious metal alloys (Reconfirmed 2021)

Available format(s)

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

Language(s)

English

Published date

14-11-2008

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 2140-2008 JEWELLERY-FINENESS OF PRECIOUS METAL ALLOYS
4 - PREFACE
5 - CONTENTS
6 - 1 SCOPE
6 - 2 REFERENCED DOCUMENTS
6 - 3 DEFINITIONS
6 - 3.1 Alloy
6 - 3.2 Base metal
6 - 3.3 Fineness
6 - 3.4 Precious metal
7 - 3.5 Range of fineness
7 - 4 COMPOSITION
7 - 5 DESIGNATION OF PRECIOUS METAL CONTENT
7 - 5.1 Method
7 - 5.2 Symbol
8 - 6 BASE METALS
8 - 6.1 General
8 - 6.2 Use of base metals in jewellery
8 - 7 SOLDERS
8 - 7.1 General
8 - 7.2 Gold alloy solder
8 - 7.3 Silver alloy solder
8 - 7.4 Platinum alloy solder
9 - 7.5 Palladium alloy solder
9 - 7.6 Cadmium bearing solders
9 - 8 SYMBOLS
9 - 8.1 General
9 - 8.2 Gold symbol
9 - 8.3 Silver symbol
9 - 8.4 Platinum symbol
10 - 8.5 Palladium symbol
10 - 9 MARKING REQUIREMENTS
10 - 9.1 General
10 - 9.2 Location of marking
10 - 9.3 Marking of mixed metal articles
10 - 9.4 Marking of small articles
11 - 10 DETERMINATION OF PRECIOUS METAL CONTENT
11 - 10.1 General
11 - 11 ELEMENTS AND METALS TO BE RESTRICTED IN JEWELLERY ALLOYS
11 - 11.1 General
11 - 11.2 Hazardous materials
11 - 11.3 Metals causing allergies
13 - APPENDIX A - USE OF SYMBOLS
14 - APPENDIX B - GUIDE TO COMPARING THE MILLESIMAL FINENESS OF GOLD WITH PREVIOUS CARAT DESIGNATION
15 - APPENDIX C - MIXED METAL AND ALLOY MARKING RECOMMENDATIONS
15 - C1 EXAMPLE 1-Gold, titanium and platinum
15 - C2 EXAMPLE 2-Titanium, silver and gold

Specifies the composition and marking requirements of articles made from precious metals and the marking requirements for mixed metal articles.

Committee
CS-030
DevelopmentNote
Reinstated as Current.
DocumentType
Standard
ISBN
0 7337 8948 X
Pages
10
ProductNote
Withdrawn 14-03-2019. Reconfirmed 19/02/2021.
This standard has been reconfirmed in Australia in 2021 and remains current in New Zealand.
PublisherName
Standards Australia
Status
Current
Supersedes

This Standard sets out the composition and marking requirements for precious metal articles, including articles of jewellery.NOTE: This specification does not apply to articles intended for industrial purposes.

Originated in part as AS 2140-1978 and AS 2141-1978.
Revised, amalgamated and designated as AS 2140-2008.

AS 5006.2-2002 Silver and silver bearing alloys - Determination of silver content (1% to 99%) - Gravimetric (fire assay) method
AS 3515.1-2005 Gold and gold bearing alloys - Determination of gold content (less than 30%) - Gravimetric (fire assay) method
AS 3515.2-2002 Gold and gold bearing alloys - Determination of gold content 30% to 99.5% - Gravimetric (fire assay) method
AS 3515.3-2002 Gold and gold bearing alloys - Determination of gold content (greater than 99.5%) - Gravimetric (fire assay) method
AS 5006.1-2002 Silver and silver bearing alloys Determination of silver content (0.1% to 99.9%) - Tritrimetric (potentiometric) method (Reconfirmed 2016)

AS 2335-2008 Requirements for rolled gold and plated jewellery (Reconfirmed 2021)

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