SNI 06-0703-1999 Test methods for density, relative density (specific gravity) and API gravity of petroleum and liquid petroleum products by hydrometer
ASTM D1250 Standard Guide for Petroleum Measurement Tables
ASTM D323 Standard Test Method for Vapor Pressure of Petroleum Products (Reid Method)
ASTM E1 Standard Specification for ASTM Thermometers
ASTM E100 Standard Specification for ASTM Hydrometers
SNI 06-0703-1999 history
1999SNI 06-0703-1999 Test methods for density, relative density (specific gravity) and API gravity of petroleum and liquid petroleum products by hydrometer