Standard Test Method for API Gravity of Crude Petroleum and Petroleum Products (Hydrometer Method)
Standard Test Method for API Gravity of Crude Petroleum and Petroleum Products (Hydrometer Method)
Standard Test Method for Density and Relative Density (Specific Gravity) of Liquids by Bingham Pycnometer
Standard Test Method for Density, Relative Density, and API Gravity of Liquids by Digital Density Meter
Standard Test Method for Density, Relative Density, and API Gravity of Crude Oils by Digital Density Analyzer