ISO 7537
Petroleum products - Determination of acid number - Semi-micro colour-indicator titration method
Mineralölerzeugnisse - Bestimmung der Säurezahl - Farbindikatortitration - Semimicroverfahren
Responsible national committee
NA 062-06-84 AA - Joint working group NA 062-06-42 AA/NA 062-06-61 AA
Responsible international committee
ISO/TC 28 - Petroleum and related products, fuels and lubricants from natural or synthetic sources