Methods of test for determination of ionic impurities in electrical insulating materials by extraction with liquids.
NORMA vydaná dňa 30.6.1978
Označenie normy: BS 5591:1978
Dátum vydania normy: 30.6.1978
Počet strán: 8
Približná hmotnosť: 24 g (0.05 libier)
Krajina: Britská technická norma
Kategória: Technické normy BS
Applicable to electrical materials to be immersed in coolants or impregnants. The presence of ionizable soluble organic and/or inorganic materials is confirmed by the increase in volume conductivity of the liquid extract. Status: Confirmed