Methods of test for petroleum and its products. Determination of asphaltenes (heptane insolubles) in crude petroleum and petroleum products
Edition 2005-11-18

Petroleum products - Gum content of fuels - Jet evaporation method - Amendment 1: Purity requirement for n-heptane (ISO 6246:2017/Amd 1:2019)
Edition 2020-05-27

Standard Test Method for Determination of Asphaltenes (Heptane Insolubles) in Crude Petroleum and Petroleum Products
Edition 2022

Standard Test Method for Measuring n-Heptane Induced Phase Separation of Asphaltene-Containing Heavy Fuel Oils as Separability Number by an Optical Scanning Device
Edition 2023

Standard Test Method for Determination of Intrinsic Stability of Asphaltene-Containing Residues, Heavy Fuel Oils, and Crude Oils (n-Heptane Phase Separation; Optical Detection)
Edition 2023

Standard Test Method for Measuring n-Heptane Induced Phase Separation of Asphaltene from Heavy Fuel Oils as Separability Number by an Optical Device
Edition 2019

Testing of petroleum products - Determination of the content of asphaltenes - Precipitation with heptane
Edition 2000-11

Testing of mineral oil hydrocarbons and similar liquids; determination of the grade of purity by gas-chromatography; n-heptane, iso-octane and toluene
Edition 1989-01

Fixed firefighting systems - Water mist systems - Part 9: Test protocol for machinery in enclosures not exceeding 260 m³ for open nozzle systems; German version EN 14972-9:2020
Edition 2020-06

Binders for paints and varnishes - Amino resins - General methods of test (ISO 11908:1996); German version EN ISO 11908:1998
Edition 1998-06