This standard specifies the determination method of water-soluble acid in transformer oil in operation. This method is applicable to transformer oil in operation, and the determination of water-soluble acids in other mineral oils can be carried out by reference.
GB/T 7598-2008 Referenced Document
GB/T 601 Chemical reagent.Preparations of reference titration solutions*, 2016-10-13 Update
GB/T 7598-2008 history
2008GB/T 7598-2008 Determination of water-solube acid in transformer oils in service
1987GB/T 7598-1987 Determination of water-soluble acid in transformer and turbine oils in service by colormetric method