Mineral oil-filled electrical equipment - Application of dissolved gas analysis (DGA) to factory tests on electrical equipment (IEC 61181:2007); German version EN 61181:2007
Draft Document - Insulating liquids - Quantitative determination of corrosive sulfur compounds in used and unused insulating liquids - Part 1: Test method for quantitative determination of dibenzyl disulfide (DBDS) (IEC 10/825/CDV:2010); German version FprEN 62697-1:2010