HD 381-1979
Methods of Test for the Determination of Ionic Impurities in Electrical Insulating Materials by Extraction with Liquids

Standard No.

HD 381-1979

Release Date

1979

Published By

European Committee for Electrotechnical Standardization（CENELEC）

Latest

HD 381-1979

HD 381-1979 history

• 1979 HD 381-1979 Methods of Test for the Determination of Ionic Impurities in Electrical Insulating Materials by Extraction with Liquids
• 1978 HD 381-1978 Methods of Test for the Determination of Ionic Impurities in Electric Insulation Materials by Extraction with Liquids