IEC TR 62697-2:2018
从未使用和已使用绝缘油中腐蚀性硫化物定量测定试验方法.第2部分:总腐蚀硫(TCS)定量测定的试验方法
Test methods for quantitative determination of corrosive sulfur compounds in unused and used insulating liquids - Part 2: Test method for quantitative determination of total corrosive sulfur (TCS)