Test methods for quantitative determination of corrosive sulfur compounds in unused and used insulating liquids – Part 3: Test method for quantitative determination of elemental sulfur (Edition 1.0)
This part of IEC 62697 specifies a test method for the quantitative determination of elemental sulfur in used and unused insulating liquids over a 2 mg kg?C1 to 400 mg kg?C1 concentration range.