This standard specifies the terms and definitions, product classification, requirements, test methods, marking, packaging, transportation and storage of jewellery with Cu-Sn alloy coating.
This standard is applicable to series jewelleries with Cu-Sn alloy coating, which are made of various metals except precious metals (gold, silver, platinum, palladium, rhodium, etc.) as the base material. It may apply to jewellery with Cu-Sn alloy coating with nonmetal as the base material as a reference.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 5270 Metallic coatings on metallic substrates - Electrodeposited and chemically deposited coatings - Review of methods available for testing adhesion (ISO 2819: 1980, IDT)
GB/T 10125 Corrosion tests in artificial atmospheres - Salt spray tests (ISO 9227: 1990, EQV)
GB 11887 Jewellery - Fineness of precious metal alloys and designation (ISO 9202: 1991, MOD)
GB/T 16921 Metallic coatings - Measurement of coating thickness - X-ray spectrometric method (ISO 3497: 2000, IDT)
QB/T 1689 Terms of precious metal adornment
QB/T 2997 Adornment with precious metal coating
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
