IEC 60814:1997
Insulating liquids - Oil-impregnated paper and pressboard - Determination of water by automatic coulometric Karl Fischer titration

Standard No.

IEC 60814:1997

Release Date

1997

Published By

International Electrotechnical Commission (IEC)

Latest

IEC 60814:1997

Replace

IEC 10/406/FDIS:1997 IEC 60733:1982 IEC 60814:1985

Scope

This International Standard describes methods for the determination of water in insulating liquids and in oil-impregnated cellulosic insulation with coulometrically generated Karl Fischer reagent. The method in clause 2 is applicable to water concentrations above 2 mg/kg in liquids having viscosity of less than 100 mm/s at 40 ℃. The test method in clause 3, where water is extracted by means of a nitrogen stream, is the preferred method for insulating liquids of viscosity higher than 100 mm/s. Clause 4 describes methods for the determination of water content in oil-impregnated paper and pressboard over the range 0,1 % to 20 % by mass.

IEC 60814:1997 history

• 1997 IEC 60814:1997 Insulating liquids - Oil-impregnated paper and pressboard - Determination of water by automatic coulometric Karl Fischer titration
• 1985 IEC 60814:1985 Determination of water in insulating liquids by automatic coulometric Karl Fischer titration

IEC 60814:1997 Insulating liquids - Oil-impregnated paper and pressboard - Determination of water by automatic coulometric Karl Fischer titration has been changed from IEC 60733:1982 Determination of water in insulating oils, and in oil-impregnated paper and pressboard.