Petroleum products - Calculation of cetane index of middle-distillate fuels by the four variable equation (ISO 4264:2018)
Edition 2018-12

Petroleum and related products - Precision of measurement methods and results - Part 1: Determination of precision data in relation to methods of test (ISO 4259-1:2017/Amd 1:2019); Amendment A1
Edition 2020-06

Liquid petroleum products - Determination of organic oxygenate compounds and total organically bound oxygen content in unleaded petrol - Method by gas chromatography (O-FID)
Edition 2017-11

Petroleum and related products from natural or synthetic sources - Determination of cloud point (ISO 3015:2019)
Edition 2019-12

Petroleum and related products - Precision of measurement methods and results - Part 2: Interpretation and application of precision data in relation to methods of test (ISO 4259-2:2017)
Edition 2018-07

Petroleum and related products - Determination of the oxidation stability and corrosivity of fire-resistant phosphate ester fluids
Edition 2005-09

Crude petroleum and liquid or solid petroleum products - Determination of density or relative density - Capillary- stoppered pyknometer and graduated bicapillary pyknometer methods (ISO 3838:2004/Amd 1:2023); Amendment A1
Edition 2023-12

Petroleum measurement systems - Calibration - Volumetric measures, proving tanks and field measures (including formulae for properties of liquids and materials) - Correction of two typographical errors (ISO 8222:2020/Amd 1:2022); Amendment A1
Edition 2022-01

Liquid petroleum products - Unleaded petrol - Determination of benzene content by gas chromatography
Edition 2022-11

Petroleum products and related materials - Determination of hydrocarbon types - Fluorescent indicator adsorption method
Edition 2021-12