GB 11887-2008 Translated English of Chinese Standard. GB11887-2008: Jewellery - Fineness of precious metal alloys and designation [Buy--download True-PDF in 3-second: https://play.google.com/books > Sign in > This BOOK > "3-dots" > Export > Save as "*.pdf"]This Standard specifies fineness range 1) of noble metals in jewellery, mark for jewellery, test method and designation method for precious metal jewellery. This Standard is applicable to jewelleries produced and distributed in jewellery industry and at home (China). |
Contents
Introduction | 1 |
Scope | 2 |
Term and Definition | 3 |
Jewellery Mark | 5 |
Determination Method | 6 |
Designation Rules | 7 |
Appendix A | 8 |
Appendix B | 9 |
Common terms and phrases
0.5 microgram cm2·week Add the requirements Alloys and Designation cadmium combination of fineness Comparison of Corresponding Content of marking content of precious Corresponding Chapters/sections clause/subclause denotation diamond Directive 2005 document is applicable European Parliament European Union exposed to skins Fineness of Precious fineness thousandths Gems gold content gold jewellery gold pure Grading GB/T harmful elements hexavalent chrome inlaying International Standard issuing date hereof Jewellery Alloys jewellery industry Jewellery Mark jewellery production Jewelry karat lower than 900 marked according marketing in China nickel release Normative References Numbers palladium content palladium jewelleries palladium palladium gold platinum and palladium platinum content platinum jewellery platinum platinum gold Precious Metal Alloys precious metal jewellery products not conforming pure palladium pure platinum QB/T Ranges of Precious release of nickel requirements in harmful requirements on accessories requirements on nickeliferous revised Silver Jewellery SN/T Solid palladium Solid platinum specified fineness range Standard and ISO Table A.1 white gold