DIN EN 62697-1-2013 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1部分:二苄二硫(DBDS)定量测定试验方法(IEC 62697-1-2012).德文版本EN 62697-1-2012
Test methods for quantitative determination of corrosive sulfur compounds in unused and used insulating liquids - Part 1: Test method for quantitative determination of dibenzyldisulfide (DBDS) (IEC 62697-1:2012); German version EN 62697-1:2012