ISO 20843
Petroleum and related products - Determination of pH of fire-resistant fluids within categories HFAE, HFAS and HFC
Mineralölerzeugnisse und verwandte Produkte - Bestimmung des pH-Wertes schwerentflammbarer Flüssigkeiten der Kategorien HFAE, HFAS und HFC
Responsible national committee
NA 062-06-61 AA - Testing of lubricating oils, other oils and Paraffin
Responsible international committee
ISO/TC 28 - Petroleum and related products, fuels and lubricants from natural or synthetic sources