Committees responsible<br>National foreword<br>Foreword<br>1. Scope<br>2. Normative references<br>3. Tests and their significance<br>3.1 Colour and appearance<br>3.2 Density<br>3.3 Kinematic viscosity<br>3.4 Flash point - Fire point<br>3.5 Water content<br>3.6 Neutralization value<br>3.7 Breakdown voltage<br>3.8 D.C. resistivity<br>3.9 Dielectric dissipation factor<br>3.10 Diagnosis by gas analysis (IEC 567 and IEC 599)<br>4. Frequency of examination of liquids in service<br>5. Sampling<br>6. Testing procedures<br>6.1 Field screening tests<br>6.2 Laboratory tests<br>7. Classification of esters in service<br>8. Treatment of ester liquids in group 2<br>8.1 Vacuum treatment and filtration<br>8.2 Molecular sieve and filtration<br>9. Materials used for maintenance equipment<br>Annex ZA (normative) Other international publications <br>quoted in this standard with the references of the <br>relevant European publications