T/SATA 029-2022 The method of testing corrosion of jewelry made of metals and their alloys
T/SATA 029-2022 The method of testing corrosion of jewelry made of metals and their alloys
Basic Information
Scope
Main technical content: This document specifies the corrosion test methods for metal and alloy jewelry, using sodium sulfide solution, artificial sweat solution, and sodium chloride solution as media, under certain conditions. This document also specifies the corrosion test methods for metal and alloy jewelry, using cosmetics applied by spraying or pouring, and cosmetics applied by rubbing, under certain conditions. Other cosmetics agreed upon by both suppliers and customers can also be used as reference. This document is applicable to metal and alloy jewelry of various materials. The full immersion test method with sodium sulfide solution is suitable for silver and silver-plated jewelry, as well as non-precious metal alloy jewelry; the weekly immersion test method with sodium sulfide solution is suitable for precious metals and their alloys, and precious metal and alloy-plated jewelry.