Test methods of lubricants, catalog, Chinese national standards
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GB/T 269 Lubricating grease and petrolatum - Determination of cone penetration
GB/T 392 Determination of colloid-stability of lubricating greases
GB/T 512 Determination of water content in lubricating greases
GB/T 513 Determination of mechanical impuritiesin lubricating greases (acid decomposition method)
GB/T 2433 Petroleum products - Lubricating oils and additives - Determination of sulphated ash
GB/T 3142 Lubricants - Determination of load-carrying capacity (four balls method)
GB/T 3498 Petroleum products - Determination of dropping point of lubricating greases (wide temperature range)
GB/T 4929 Lubricating grease - Determination of dropping point
GB/T 5018 Standard test method for determining corrosion preventive properties of lubricating greases
GB/T 7325 Petroleum products - Lubricating greases and oils - Determination of evaporation loss
GB/T 7326 Lubricating grease - Corrosiveness to copper - Copper strip test
GB/T 8022 Lubricating oils - Determination of demulsibility characteristics
GB/T 8926 Standard test method for insolubles in used lubricating oils
GB/T 11144 Standard test method for measurement of extreme-perssure prosperties of lubricating fluids - Timken method
GB/T 11145 Standard test method for measurement of low-temperature viscosity of lubricants - Brookfield viscometer method
GB/T 12579 Determination of foaming characteristics of lubricating oils
GB/T 12583 Standard test method for measurement of extreme-pressure properties of lubricating fluids(four-ball method)
GB/T 12709 Lubricating oils - Determination of aging characteristics - Conradson carbon residue method
GB/T 16783.1 Petroleum and natural gas industries - Field testing of drilling fluids - Part 1: Water-based fluids
GB/T 16783.2 Petroleum and natural gas industries - Field testing of drilling fluids - Part 2: Oil-based fluids
GB/T 17476 Standard test method for determination of additive elements，wear metals，and contaminants in used lubricating oils and determination of selected elements in base oils by inductively coupled plasma-atomic emission spectrometry(ICP-AES)
GB/T 29170 Petroleum and natural gas industries - Drilling fluids - Laboratory testing