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LaTeX Math Inline
bodyZ

Z-factor

LaTeX Math Inline
bodyT

fluid temperature 

LaTeX Math Inline
body--uriencoded--T_%7Bpr%7D = T/T_%7Bpc%7D

pseudo-reduced temperature 
(or reduced temperature 

LaTeX Math Inline
body--uriencoded--T_%7Br%7D
 in case of pure substances)

LaTeX Math Inline
body--uriencoded--T_%7Bpc%7D

 pseudo-critical temperature 
(or critical temperature 

LaTeX Math Inline
body--uriencoded--T_%7Bc%7D
 in case of pure substances)

LaTeX Math Inline
bodyP

fluid pressure

LaTeX Math Inline
body--uriencoded--P_%7Bpr%7D = P/P_%7Bpc%7D

pseudo-reduced pressure 
(or reduced pressure 

LaTeX Math Inline
body--uriencoded--P_%7Br%7D
 in case of pure substances)

LaTeX Math Inline
body--uriencoded--P_%7Bpc%7D

 pseudo-critical pressure 
(or critical pressure 

LaTeX Math Inline
body--uriencoded--P_%7Bc%7D
 in case of pure substances)

and

LaTeX Math Inline
bodyA_1 = 0.3265

LaTeX Math Inline
bodyA_2 = -1.070

LaTeX Math Inline
bodyA_3 = - 0.5339

LaTeX Math Inline
bodyA_4 = 0.01569

LaTeX Math Inline
bodya_5=0.000002

LaTeX Math Inline
bodya_6=-0.004693

LaTeX Math Inline
bodya_7=0.096254

LaTeX Math Inline
bodya_8=0.166720

LaTeX Math Inline
bodya_9=0.966910

LaTeX Math Inline
body--uriencoded--a_%7B10%7D=0.063069

LaTeX Math Inline
body--uriencoded--a_%7B11%7D=-1.966847

LaTeX Math Inline
body--uriencoded--a_%7B12%7D=21.0581

LaTeX Math Inline
body--uriencoded--a_%7B13%7D=-27.0246

LaTeX Math Inline
body--uriencoded--a_%7B14%7D=16.23

LaTeX Math Inline
body--uriencoded--a_%7B15%7D=207.783

LaTeX Math Inline
body--uriencoded--a_%7B16%7D=-488.161

LaTeX Math Inline
body--uriencoded--a_%7B17%7D=176.29

LaTeX Math Inline
body--uriencoded--a_%7B18%7D=1.88453

LaTeX Math Inline
body--uriencoded--a_%7B19%7D=3.05921



See also

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Natural Science / Physics /Thermodynamics / Z-factor / Z-factor Correlations @model

Reference

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Dranchuk, P.M., and H. Abou-Kassem. "Calculation of Z Factors For Natural Gases Using Equations of State." J Can Pet Technol 14 (1975): doi.org/10.2118/75-03-03

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