D1533-20

Standard Test Method for Water in Insulating Liquids by Coulometric Karl Fischer Titration

D1933-03(2026)

Standard Specification for Nitrogen Gas as an Electrical Insulating Material

D4057-22

Standard Practice for Manual Sampling of Petroleum and Petroleum Products

D6786-15(2023)

Standard Test Method for Particle Count in Mineral Insulating Oil Using Automatic Optical Particle Counters

D3612-02(2026)

Standard Test Method for Analysis of Gases Dissolved in Electrical Insulating Oil by Gas Chromatography