Thermo Scientific Sarasota SG901, User Manual

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Thermo Fisher Scientific Sarasota SG901 User Guide
E-1
Appendix E
Equations
The following equations are provided in this appendix:

Basic density equation

Rho
air
& Z
air

Density at Reference Conditions (Gas)

Compressibility (Gas)

Reference Compressibility (Gas)

Gravity / Relative Density (Gas)

Molecular Weight

Az & Bz from M
Basic density equation
where
). P P ( PRESCO ) T T ( TEMPCO 0 T ' t
cal cal 0
− × + − × + =
(continued)
,
' t
) ' t t (
K 2
' t
) ' t t (
' d
0
0
0
0
0 m






−
× + ×
−
× = ρ
.
t a
R VIBDIM
- 1 D0 =
d
2
0
















×
×
′
.
L P ISENEX
= a
m
2
1








ρ
× ×