GB/T 7600: Determination of water in transformer oil by Coulometric Karl Fischer titration.

NB/SH/T 0207: Determination of water in insulating liquids by Coulometric Karl Fischer titration.

IEC 60814 Insulating liquids, oil-impregnated paper and presssboard: Determination of water by automatic Coulometric Karl Fischer titration.

ASTM D1533: Standard test method for water in insulating liquids by Coulometric Karl Fischer Titration.