Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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DL/T 423-2009 Determination of dissolved gas content in insulatingoil Method of vacuum pressure difference 120.0 via email in 1~3 business day valid
SH/T 0803-2007 Insulating liquids-Contamination by polychlorinated biphenyls(PCBs) - Method of determination by caplillary column gas chromatograhpy 300.0 via email in 1~3 business day valid
GB 7600-1987 Determination of water content in transformer oils in service by coulometric method 45.0 via email in 1~3 business day superseded
DL/T 722-2000 Guide to the analysis and the diagnosis of gases dissolved in transformer oil 330.0 via email in 1~3 business day superseded
GB/T 7595-2000 Quality criteria of transformer oils in service 150.0 via email in 1~3 business day abolished
DL/T 1095-2008 Guide to on-site determination of electrostatic charging tendency of transformer oil 60.0 via email in 1~3 business day valid
SH/T 0295-1992 Determination method for oxidation volatility water soluble acid of transformer oil 60.0 via email in 1~3 business day valid
GB/T 7595-2008 Quality of transformer oils in service 150.0 via email in 1~3 business day superseded
GB/T 12580-1990 Inhibited mineral insulating oils - Determinaiton of oxidation stability 135.0 via email in 1~3 business day valid
GB/T 7598-2008 Determination of water-soluble acid in transformer oils in service 120.0 via email in 1~3 business day valid
GB/T 7602.2-2008 Determination of T501 oxidation inhibitor content in transformer oil or turbine oil - Part 2: Liquid chromatography 60.0 via email in 1~3 business day valid
GB/T 7597-2007 Method of sampling for transformer and turbine oils in electric power industry 120.0 via email in 1~3 business day valid
GB 2536-2011 Fluids for electrotechnical applications—Unused mineral insulating oils for transformers and switchgear 330.0 via email in 1~3 business day valid
GB/T 7602.3-2008 Determination of T501 oxidation inhibitor content in transformer oil or turbine oil - Part 3: Infrared spectroscopy method 90.0 via email in 1~3 business day valid
GB 7601-1987 Determination of water content in transformer oils in service by gas chromatographic method 30.0 via email in 1~3 business day abolished
DL/T 702-1999 Determination of furfural content in mineral insulating oil by spectrophotometric method 120.0 via email in 1~3 business day valid
GB/T 17623-1998 Determination of componental contents of gases dissolved in insulating oil by gas chromatography method 240.0 via email in 1~3 business day superseded
DL/T 429.9-1991 Test method for oiliness of electric power system - Testmethod for dielectric strength of dielectric oil 90.0 via email in 1~3 business day valid
GB 7604-1987 Determination of the aromatic hydrocarbon content in mineral insulating oils 75.0 via email in 1~3 business day valid
GB 2536-1990 Transformer oils 30.0 via email in 1~3 business day abolished
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