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LaTeX Math Inline
bodyZ

Compressibility factor

LaTeX Math Inline
bodyp_c

LaTeX Math Inline
bodyp

Fluid pressure

LaTeX Math Inline
bodyT_c

Сritical temperature

LaTeX Math Inline
bodyT

Fluid temperature

LaTeX Math Inline
bodyp_r = p/p_c

Reduced pressure

LaTeX Math Inline
bodyR

Gas constant

LaTeX Math Inline
bodyT_r = T/T_c

Reduced Temperature

LaTeX Math Inline
body\omega

Acentric factor

LaTeX Math Inline
body--uriencoded--\%7B \kappa_1, \, \kappa_2, \, \kappa_3 \%7D

fitting parameters



Once compressibility Z-factor

LaTeX Math Inline
bodyZ(p, T)
 is known the fluid density 
LaTeX Math Inline
body\rho
can be calculated as:

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