Standard:
DIN EN 62021-3 VDE 0370-35:2015-05Insulating liquids – Determination of acidity Part 3: Test methods for non mineral insulating oils |
Standard:
DIN EN 62021-2 VDE 0370-32:2008-04Insulating liquids – Determination of acidity Part 2: Colourimetric titration |
Standard:
DIN EN 62021-1 VDE 0370-31:2004-06Insulating liquids - Determination of acidity Part 1: Automatic potentiometric titration |