标准摘要
[中文适用范围]： 提供加速方法来评估用于触点和连接的银和银合金失去光泽的影响。 [外文原描述]： Provides accelerated means to assess the effects of the tarnishing of silver and silver alloys used for contacts and connections.
英文名称Environmental testing - Part 2-43: Tests - Test Kd: Hydrogen sulphide test for contacts and connections