Specific Gravity based on Standard Density

Specific Gravity based on Standard Density

This method is used to calculate the specific gravity from the standard density



Specific Gravity is calculated as follows:

General_SG_Standard

Symbol Description Units
SG Specific gravity -
ρstd Standard density kg/Sm3
Tstd Standard Temperature K
Pstd Standard Pressure bar a
Zstd Compression factor at standard conditions -



Constant Description Value Units
R Universal Gas Constant 8.314459848484848 J/mol/K
MMair Molar mass of dry air 28.9626 kg/kmol