GB/T 33298-2016 Standard test method for determining cetane number of diesel fuels—Airflow regulation

GB/T 265-1988 Petroleum products—Determination of kinematic viscosity and calculation of dynamic viscosity GB/T 386-1991 Diesel fuels—Determination of ignition quality by the cetane method GB/T 386-2010 Standard test method for cetane number of diesel fuel oil GB/T 386-2021 Standard test method for cetane number of diesel fuel oil GB/T 4756-1998 Petroleum liquids—Manual sampling GB/T 4756-2015 Method for manual sampling of petroleum liquids GB/T 6682-1992 Water for analytical laboratory use—Specification and test methods GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods GB/T 6683-1997 Petroleum products—Determination of precision data in relation to methods of test GB/T 6683.1-2021 Petroleum and related products—Precision of measurement methods and results—Part 1:Determination of precision data in relation to methods of test GB/T 6683.3-2023 Petroleum and related products—Precision of measurement methods and results—Part 3:Monitoring and verification of published precision data in relation to methods of test GB/T 6986-1986 Potroleum oils—Determination of cloud point GB/T 6986-2014 Standard test method for cloud point of petroleum products GB/T 27867-2011 Petroleum liquid—Automatic pipeline sampling GB/T 6683.2-2025 Pertroleum and related products—Precision of measurement methods and results—Part 2:Interpretation and application of precision data in relation to methods of test GB/T 6683.4-2026 Petroleum and related products—Precision of measurement methods and results—Part 4:Use of statistical control charts to validate 'in-statistical-control' status for the execution of a test method standard in a single laboratory