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AS 2140-2008
$87.70
Jewellery — Fineness of precious metal alloys
Specifies the composition and marking requirements of articles made from precious metals and the marking requirements for mixed metal articles.
Table of contents
Header
About this publication
Preface
1 Scope
2 Referenced documents
3 Definitions
4 Composition
5 Designation of precious metal content
5.1 Method
5.2 Symbol
6 Base metals
6.1 General
6.2 Use of base metals in jewellery
7 Solders
7.1 General
7.2 Gold alloy solder
7.3 Silver alloy solder
7.4 Platinum alloy solder
7.5 Palladium alloy solder
7.6 Cadmium bearing solders
8 Symbols
8.1 General
8.2 Gold symbol
8.3 Silver symbol
8.4 Platinum symbol
8.5 Palladium symbol
9 Marking requirements11 Examples of the use of the various symbols that comply with the requirements of this specification are given in Appendix A.
9.1 General
9.2 Location of marking
9.3 Marking of mixed metal articles
9.4 Marking of small articles
10 Determination of precious metal content
10.1 General
11 Elements and metals to be restricted in jewellery alloys
11.1 General
11.2 Hazardous materials
11.3 Metals causing allergies
Appendix A
Appendix B
Appendix C
C.1 Example 1—Gold, titanium and platinum
C.2 Example 2—Titanium, silver and gold
Cited references in this standard
Please select a variation to view its description.
| Published | 14/11/2008 |
|---|---|
| Pages | 10 |
Please select a variation to view its pdf.
