Density, Volume - Observed to Base - API2540: 1980

Finds the density and volume flow rate of oil at base conditions.
The calculation uses equations that are taken from API 2540 (1980) Ch 11.1 Volume correction factors Volume IX

References
API2540 First Edition 1980 MPMS Ch 11.1 Volume correction factors Volume IX.
Institute of Petroleum 200, September 1984
ANSI/ASTM D1250, 1993

Density, Volume - Observed to Base - API2540: 1980