GB/T 2423.20-2014
Environmental testing—Part 2:Test methods—Test Kd: Hydrogen Sulphide test for contacts and connections 环境试验 第2部分:试验方法 试验Kd:接触点和连接件的硫化氢试验 |
GB/T 2424.12-2014
Environmental testing—Part 2: Test methods—Guidance to test Kd: Hydrogen Sulphide test for contacts and connections 环境试验 第2部分:试验方法 试验Kd:接触点和连接件的硫化氢试验导则 |
GB/T 12938-1991
Determination of thiosulphate and other related residual chemicals in processed photographic materials--Iodine-amylose,methylene blue and silver Sulphide densito-metric methods 已加工的摄影材料中硫代硫酸盐及其他相关化学残留物的测定方法 碘-直链淀粉法、亚甲蓝法和硫化银密度法 |
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