Petroleum oils and oils obtained from bituminous minerals, crude. (HS 2709) . Crude petroleum (ICS 75.040), Petroleum products in general (ICS 75.080)

DUS 1686:2017, Standard Test Method for API Gravity of Crude Petroleum and Petroleum Products (Hydrometer Method) (8 pages, in English)

This draft standard test method covers the determination by means of a glass hydrometer in conjunction with a series of calculations of the API gravity of crude petroleum and petroleum products normally handled as liquids and having a Reid vapor pressure of 101.325 kPa (14.696 psi) or less.