Fluorine

89

2.8 Fluorine
Equations for thermodynamic properties have been cited from the IUPAC Table [1].

2.8.1 Temperature Scale
International practical temperature scale 1968 (IPTS-1968)

2.8.2 The Names of Substance, Library File and Single Shot Program
Name of Substance:
Library File for UNIX:
Library File for DOS,Windows95/NT:
Single Shot Program for UNIX:
Single Shot Program for DOS,Windows95/NT:

Fluorinelibjf2.aJF2.LIB
f2-ss
F2–SS.EXE

2.8.3 Important Constants and Others
Molecular Formula:
Relative Molecular Mass:
Gas Constant:

F2
37.99681
218.8205 J/(kg·K)

Critical Constants:
Critical Pressure:
Critical Temperature:
Critical Speciﬁc Volume:5.23952×10 6Pa (52.3952 bar)
144.414 K (−128.736 ◦C)
1.686727×10 −3m3 /kg

Triple Point:
Pressure:
Temperature:

239 Pa (2.39×10 −3 bar)
53.481 K (−219.669 ◦C)

Reference State:
At 1 bar and 25◦C(298.15 K), 0 J/(kg·K) is assigned to the speciﬁc entropy of the ideal gas. At 25◦C(298.15
K), 0 J/kg is assigned to the speciﬁc enthalpy of the ideal gas.

2.8.4 Formula
Equation of State:
Equation (4.1) in a function form of A = A(ρ, T ) in reference [1]. Here A=speciﬁc Helmholtz free energy,
ρ=density and T =temperature.
Vapor Pressure:
Equation (4.1) [equation of state] and equation (4.25) [the Gibbs condition for phase equilibrium] in reference[1].
Properties at Vapor-Liquid Equilibrium:
Equation (4.1) [equation of state] and equation (4.25) [the Gibbs condition for phase equilibrium] for speciﬁcvolume of both saturated liquid and saturated vapor. Equations (4.7) and (4.10) using these speciﬁc volumes
for speciﬁc entropy and speciﬁc enthalpy, respectively. Equations (4.13) and (4.11) using these speciﬁc volumes
for isobaric speciﬁc heat and isochoric speciﬁc heat, respectively. All of these equations have been cited fromreference [1].
Pressure and Temperature on Melting Line:

90

P-PROPATH: Pure Substances and Mixtures with Fixed Composition

Equations (4.26) in reference [1].

References[1] K.M.de Reuck, International Thermodynamic Table of the Fluid State-11, Fluorine, IUPAC, vol.11, (1990).

Fluorine

91
Table II–2.8–1 Fluorine Function

No.
1
94

8A
8B
82

Name of
Function
AIPPT(P,T)
AJTPT(P,T)

AKPD(P)AKPDD(P)AKPT(P,T)

8C
8D
2
3
4

AKTD(T)
AKTDD(T)
ALAPP(P)
ALAPT(T)
ALHP(P)

5

ALHT(T)

6
7
8
9
10
11
12
13
14
15
92

ALMPD(P)ALMPDD(P)
ALMPT(P,T)
ALMTD(T)ALMTDD(T)
AMUPD(P)AMUPDD(P)AMUPT(P,T)
AMUTD(T)AMUTDD(T)BPPT(P,T)

90

91

93

BSPT(P,T)

BTPT(P,T)

BVPT(P,T)

16

CPPD(P)

17

CPPDD(P)Function and Argument(s)Range of Argument(s)AJTPT: Joule-Thomson Coeﬃcient [K/Pa]P∗: Pressure [Pa], [bar]T∗: Temperature [K], [◦ C]

0.239×103 ≤P≤20×106 [Pa]TMLP(P)≤T≤300 [K]

AKPT: Isentropic Exponent [–]P∗: Pressure [Pa], [bar]T∗: Temperature [K], [◦ C]

0.239×103 ≤P≤20×106 [Pa]TMLP(P)≤T≤300 [K]

ALHP: Latent Heat of Vaporization [J/kg]
P∗: Pressure [Pa], [bar]ALHT: Latent Heat of Vaporization [J/kg]
T∗: Temperature [K], [◦ C]

0.239×103 ≤P≤5.23952×106 [Pa]2.39×10−3 ≤P≤52.3952 [bar]53.481≤T≤144.414 [K]−219.669≤T≤−128.736 [◦ C]

BPPT: Volumetric Coeﬃcient of Expansion [1/K]
P∗: Pressure [Pa], [bar]T∗: Temperature [K], [◦ C]

0.239×103 ≤P≤20×106 [Pa]TMLP(P)≤T≤300 [K]

BSPT: Isentropic Compressibility [1/Pa]
P∗: Pressure [Pa], [bar]T∗: Temperature [K], [◦ C]

BTPT: Isothermal Compressibility [1/Pa]
P∗: Pressure [Pa], [bar]T∗: Temperature [K], [◦ C]

BVPT: Pressure Coeﬃcient [1/K]
P∗: Pressure [Pa], [bar]T∗: Temperature [K], [◦ C]

CPPD: Isobaric Speciﬁc Heat of Saturated
Liquid [J/(kg·K)]
P∗: Pressure [Pa], [bar]
CPPDD: Isobaric Speciﬁc Heat of Saturated
Vapor [J/(kg·K)]
P∗: Pressure [Pa], [bar]2.39×10−3 ≤P≤200 [bar]TMLP(P)≤T≤26.85 [◦ C]

2.39×10−3 ≤P≤200 [bar]TMLP(P)≤T≤26.85 [◦ C]

2.39×10−3 ≤P≤200 [bar]TMLP(P)≤T≤26.85 [◦ C]
0.239×103 ≤P≤20×106 [Pa]TMLP(P)≤T≤300 [K]
2.39×10−3 ≤P≤200 [bar]TMLP(P)≤T≤26.85 [◦ C]
0.239×103 ≤P≤20×106 [Pa]TMLP(P)≤T≤300 [K]
2.39×10−3 ≤P≤200 [bar]TMLP(P)≤T≤26.85 [◦ C]
0.239×103 ≤P≤20×106 [Pa]TMLP(P)≤T≤300 [K]
2.39×10−3 ≤P≤200 [bar]TMLP(P)≤T≤26.85 [◦ C]
0.239×103 ≤P≤5.23952×106 [Pa]2.39×10−3 ≤P≤52.3952 [bar]0.239×103 ≤P≤5.23952×106 [Pa]2.39×10−3 ≤P≤52.3952 [bar]92P-PROPATH: Pure Substances and Mixtures with Fixed Composition
Table II–2.8–1 Fluorine Function (cont’d)

No.
18

Name of
Function
CPPT(P,T)

19

CPTD(T)

20

CPTDD(T)21

CRP(‘A’)

7A
76

CVPD(P)
CVPDD(P)77

CVPT(P,T)

7B
78

CVTD(T)
CVTDD(T)

2A
2B
22
2C
2D
89

EPSPD(P)EPSPDD(P)EPSPT(P,T)
EPSTD(T)EPSTDD(T)FC(‘A’)9A
96

GAMPD(P)GAMPDD(P)95

GAMPT(P,T)

9B
97

GAMTD(T)GAMTDD(T)23

HPD(P)

Function and Argument(s)Range of Argument(s)CPPT: Isobaric Speciﬁc Heat [J/(kg·K)]
P∗: Pressure [Pa], [bar]T∗: Temperature [K], [◦C]

0.239×103 ≤P≤20×106 [Pa]TMLP(P)≤T≤300 [K]

CPTD: Isobaric Speciﬁc Heat of Saturated
Liquid [J/(kg·K)]
T∗: Temperature [K], [◦C]
CPTDD: Isobaric Speciﬁc Heat of Saturated
Vapor [J/(kg·K)]
T∗: Temperature [K], [◦C]
CRP: Critical Constants
H: ‘A’=‘H’: −0.210537×106 [J/kg] Speciﬁc EnthalpyP∗: ‘A’=‘P’: 5.23952×106 [Pa], 52.3952 [bar] Pressure
S: ‘A’=‘S’: −1.96455×103 [J/(kg·K)] Speciﬁc EntropyT∗: ‘A’=‘T’: 144.414 [K], −128.736 [◦C] Temperature
V: ‘A’=‘V’: 1.68673×10−3 [m3 /kg] Speciﬁc Volume

2.39×10−3 ≤P≤200 [bar]TMLP(P)≤T≤26.85 [◦ C]
53.481≤T≤144.414 [K]−219.669≤T≤−128.736 [◦C]
53.481≤T≤144.414 [K]−219.669≤T≤−128.736 [◦C]
one of ‘H’, ‘P’, ‘S’, ‘T’ and ‘V’

CVPDD: Isochoric Speciﬁc Heat of Saturated
Vapor [J/(kg·K)]
P∗: Pressure [Pa], [bar]CVPT: Isochoric Speciﬁc Heat [J/(kg·K)]
P∗: Pressure [Pa], [bar]T∗: Temperature [K], [◦C]

0.239×103 ≤P≤5.23952×106 [Pa]2.39×10−3 ≤P≤52.3952 [bar]CVTDD: Isochoric Speciﬁc Heat of Saturated
Vapor [J/(kg·K)]
T∗: Temperature [K], [◦C]

53.481≤T≤144.414 [K]−219.669≤T≤−128.736 [◦C]

FC: Fundamental Constants
M: ‘A’=‘M’: 37.99681 Relative Molecular Mass
R: ‘A’=‘R’: 218.8205 [J/(kg·K)] Gas Constant

one of ‘M’ and ‘R’

GAMPDD: Ratio of Speciﬁc Heats of Saturated
Vapor [–]P∗: Pressure [Pa], [bar]GAMPT: Ratio of Speciﬁc Heats [–]P∗: Pressure [Pa], [bar]T∗: Temperature [K], [◦C]

0.239×103 ≤P≤5.23952×106 [Pa]2.39×10−3 ≤P≤52.3952 [bar]GAMTDD: Ratio of Speciﬁc Heats of Saturated
Vapor [–]T∗: Temperature [K], [◦C]
HPD: Speciﬁc Enthalpy of Saturated Liquid [J/kg]
P∗: Pressure [Pa], [bar]53.481≤T≤144.414 [K]−219.669≤T≤−128.736 [◦C]

0.239×103 ≤P≤20×106 [Pa]TMLP(P)≤T≤300 [K]
2.39×10−3 ≤P≤200 [bar]TMLP(P)≤T≤26.85 [◦ C]

0.239×103 ≤P≤20×106 [Pa]TMLP(P)≤T≤300 [K]
2.39×10−3 ≤P≤200 [bar]TMLP(P)≤T≤26.85 [◦ C]

0.239×103 ≤P≤5.23952×106 [Pa]2.39×10−3 ≤P≤52.3952 [bar]Fluorine

93
Table II–2.8–1 Fluorine Function (cont’d)No.
24Name of
Function
HPDD(P)71

HPS(P,S)

25

HPT(P,T)

26

HPX(P,X)

27

HTD(T)28

HTDD(T)

29

HTX(T,X)

84

IDENTF(‘A’)

66
68

PLDT(T)
PMLT(T)

85
86
81
87
88
99
30

PRPD(P)PRPDD(P)
PRPT(P,T)
PRTD(T)
PRTDD(T)PSBT(T)
PST(T)

72
73
31
32
33

PSTD(T)
PSTDD(T)SIGP(P)
SIGT(T)
SPD(P)34

SPDD(P)35

SPT(P,T)36

SPX(P,X)

Function and Argument(s)Range of Argument(s)HPDD: Speciﬁc Enthalpy of Saturated Vapor [J/kg]
P∗: Pressure [Pa], [bar]HPS: Speciﬁc Enthalpy [J/kg]
P∗: Pressure [Pa], [bar]S: Speciﬁc Entropy [J/(kg·K)]

0.239×103 ≤P≤5.23952×106 [Pa]2.39×10−3 ≤P≤52.3952 [bar]0.239×103 ≤P≤20×106 [Pa]SPT(P,TMLP(P))≤S≤
SPT(P,300K) [J/(kg·K)]

HPT: Speciﬁc Enthalpy [J/kg]
P∗: Pressure [Pa], [bar]T∗: Temperature [K], [◦C]

HPX: Speciﬁc Enthalpy of Mixture [J/kg]
P∗: Pressure [Pa], [bar]
X: Dryness Fraction [–]HTD: Speciﬁc Enthalpy of Saturated Liquid [J/kg]
T∗: Temperature [K], [◦C]HTDD: Speciﬁc Enthalpy of Saturated Vapor [J/kg]
T∗: Temperature [K], [◦C]
HTX: Speciﬁc Enthalpy of Mixture [J/kg]
T∗: Temperature [K], [◦C]
X: Dryness Fraction [–]IDENTF: CHARACTER TYPE FUNCTION
for Package Identiﬁcation (Length 20)
C: ‘A’=‘C’: ‘F2’ Molecular Formula
S: ‘A’=‘S’: ‘FLUORINE’ Name of Substance
V: ‘A’=‘V’: ‘10.1’ Version Number

2.39×10−3 ≤P≤200 [bar]SPT(P,TMLP(P))≤S≤
SPT(P,26.85◦ C) [J/(kg·K)]
0.239×103 ≤P≤20×106 [Pa]TMLP(P)≤T≤300 [K]
2.39×10−3 ≤P≤200 [bar]TMLP(P)≤T≤26.85 [◦C]
0.239×103 ≤P≤5.23952×106 [Pa]2.39×10−3 ≤P≤52.3952 [bar]0≤X≤1.0 [–]53.481≤T≤144.414 [K]−219.669≤T≤−128.736 [◦ C]
53.481≤T≤144.414 [K]−219.669≤T≤−128.736 [◦ C]
53.481≤T≤144.414 [K]−219.669≤T≤−128.736 [◦ C]
0≤X≤1.0 [–]one of ‘C’, ‘S’ and ‘V’

PMLT∗: Pressure on Melting Curve [Pa], [bar]T∗: Temperature [K], [◦C]

53.481≤T≤55.399 [K]−219.669≤T≤−217.751 [◦ C]

PST∗: Saturation Pressure [Pa], [bar]T∗: Temperature [K], [◦C]

53.481≤T≤144.414 [K]−219.669≤T≤−128.736 [◦ C]

SPD: Speciﬁc Entropy of Saturated Liquid[J/(kg·K)]
P∗: Pressure [Pa], [bar]SPDD: Speciﬁc Entropy of Saturated Vapor[J/(kg·K)]
P∗: Pressure [Pa], [bar]SPT: Speciﬁc Entropy [J/(kg·K)]
P∗: Pressure [Pa], [bar]T∗: Temperature [K], [◦C]

0.239×103 ≤P≤5.23952×106 [Pa]2.39×10−3 ≤P≤52.3952 [bar]SPX: Speciﬁc Entropy of Mixture [J/(kg·K)]
P∗: Pressure [Pa], [bar]
X: Dryness Fraction [–]0.239×103 ≤P≤5.23952×106 [Pa]2.39×10−3 ≤P≤52.3952 [bar]0.239×103 ≤P≤20×106 [Pa]TMLP(P)≤T≤300 [K]
2.39×10−3 ≤P≤200 [bar]TMLP(P)≤T≤26.85 [◦C]
0.239×103 ≤P≤5.23952×106 [Pa]2.39×10−3 ≤P≤52.3952 [bar]0≤X≤1.0 [–]94

P-PROPATH: Pure Substances and Mixtures with Fixed Composition
Table II–2.8–1 Fluorine Function (cont’d)No.
37

Name of
Function
STD(T)38

STDD(T)

39

STX(T,X)

67
69

TLDP(P)
TMLP(P)64

TPH(P,H)

Function and Argument(s)Range of Argument(s)STD: Speciﬁc Entropy of Saturated Liquid[J/(kg·K)]
T∗: Temperature [K], [◦ C]
STDD: Speciﬁc Entropy of Saturated Vapor[J/(kg·K)]
T∗: Temperature [K], [◦ C]
STX: Speciﬁc Entropy of Mixture [J/(kg·K)]
T∗: Temperature [K], [◦ C]
X: Dryness Fraction [–]53.481≤T≤144.414 [K]−219.669≤T≤−128.736 [◦ C]

TMLP∗: Temperature on Melting Curve [K], [◦ C]
P∗: Pressure [Pa], [ bar]
TPH∗: Temperature [K], [◦ C]
P∗: Pressure [Pa], [bar]H: Speciﬁc Enthalpy [J/kg]

0.239×103 ≤P≤20×106 [Pa]2.39×10−3 ≤P≤200 [bar]0.239×103 ≤P≤20×106 [Pa]
HPT(P,TMLP(P))≤H≤
HPT(P,300K) [J/kg]

53.481≤T≤144.414 [K]−219.669≤T≤−128.736 [◦ C]
53.481≤T≤144.414 [K]−219.669≤T≤−128.736 [◦ C]
0≤X≤1.0 [–]2.39×10−3 ≤P≤200 [bar]HPT(P,TMLP(P))≤H≤
HPT(P,26.85◦C) [J/kg]
6H
65

TPH2(P,H)
TPS(P,S)TPS∗: Temperature [K], [◦C]P∗: Pressure [Pa], [bar]S: Speciﬁc Entropy [J/(kg·K)]

0.239×103 ≤P≤20×106 [Pa]SPT(P,TMLP(P))≤S≤
SPT(P,300K) [J/(kg·K)]
2.39×10−3 ≤P≤200 [bar]SPT(P,TMLP(P))≤S≤
SPT(P,26.85◦ C) [J/(kg·K)]

6S
98

TPS2(P,S)TPSEUP(P)70

TPV(P,V)41

TRPL(‘A’)

100
40

TSBP(P)
TSP(P)

74
75
42

TSPD(P)TSPDD(P)UPD(P)43

UPDD(P)TPSEUP: Pseudo Boiling Point [K], [◦ C]
T∗: Temperature [K], [◦ C]
TPV∗: Temperature [K], [◦ C]
P∗: Pressure [Pa], [bar]V: Speciﬁc Volume [m3 /kg]

TRPL∗: Properties at Triple PointP∗: ‘A’=‘P’: 0.239×103 [Pa], 2.39×10−3 [bar]PressureT∗: ‘A’=‘T’: 53.481 [K], −219.669 [◦ C] Temperature

5.23952×106 <P≤20×106 [Pa]52.3952<P≤200 [bar]0.239×103 ≤P≤20×106 [Pa]VPT(P,TMLP(P))≤V≤
VPT(P,300K) [m3 /kg]
2.39×10−3 ≤P≤200 [bar]VPT(P,TMLP(P))≤V≤
VPT(P,26.85◦C) [m3 /kg]
one of ‘P’ and ‘T’

TSP∗: Saturation Temperature [K], [◦C]P∗: Pressure [Pa], [bar]0.239×103 ≤P≤5.23952×106 [Pa]2.39×10−3 ≤P≤52.3952 [bar]UPD: Speciﬁc Internal Energy of Saturated
Liquid [J/kg]
P∗: Pressure [Pa], [bar]UPDD: Speciﬁc Internal Energy of Saturated
Vapor [J/kg]
P∗: Pressure [Pa], [bar]0.239×103 ≤P≤5.23952×106 [Pa]2.39×10−3 ≤P≤52.3952 [bar]0.239×103 ≤P≤5.23952×106 [Pa]2.39×10−3 ≤P≤52.3952 [bar]Fluorine95
Table II–2.8–1 Fluorine Function (cont’d)

No.
79

44

Name of
Function
UPS(P,S)

UPT(P,T)45

UPX(P,X)

46

UTD(T)

47

UTDD(T)

48

UTX(T,X)

49

VPD(P)50

VPDD(P)80

VPS(P,S)

51

VPT(P,T)52

VPX(P,X)

53

VTD(T)54

VTDD(T)

55

VTX(T,X)

8E
8F
83

WPD(P)WPDD(P)
WPT(P,T)

8G
8H

WTD(T)WTDD(T)

Function and Argument(s)UPS: Speciﬁc Internal Energy [J/kg]
P∗: Pressure [Pa], [bar]S: Speciﬁc Entropy [J/(kg·K)]

UPT: Speciﬁc Internal Energy [J/kg]
P∗: Pressure [Pa], [bar]T∗: Temperature [K], [◦C]

UPX: Speciﬁc Internal Energy of Mixture [J/kg]
P∗: Pressure [Pa], [bar]
X: Dryness Fraction [–]UTD: Speciﬁc Internal Energy of Saturated
Liquid [J/kg]
T∗: Temperature [K], [◦C]
UTDD: Speciﬁc Internal Energy of Saturated
Vapor [J/kg]
T∗: Temperature [K], [◦C]
UTX: Speciﬁc Internal Energy of Mixture [J/kg]
T∗: Temperature [K], [◦C]
X: Dryness Fraction [–]VPD: Speciﬁc Volume of Saturated Liquid [m3 /kg]P∗: Pressure [Pa], [bar]VPDD: Speciﬁc Volume of Saturated Vapor [m3 /kg]P∗: Pressure [Pa], [bar]VPS: Speciﬁc Volume [m3 /kg]P∗: Pressure [Pa], [bar]S: Speciﬁc Entropy[J/(kg·K)]

VPT: Speciﬁc Volume [m3 /kg]P∗: Pressure [Pa], [bar]T∗: Temperature [K], [◦C]
VPX: Speciﬁc Volume of Mixture [m3 /kg]P∗: Pressure [Pa], [bar]
X: Dryness Fraction [–]VTD: Speciﬁc Volume of Saturated Liquid [m3 /kg]
T∗: Temperature [K], [◦C]
VTDD: Speciﬁc Volume of Saturated Vapor [m3 /kg]
T∗: Temperature [K], [◦C]
VTX: Speciﬁc Volume of Mixture [m3 /kg]
T∗: Temperature [K], [◦C]
X: Dryness Fraction [–]WPT: Velocity of Sound [m/s]P∗: Pressure [Pa], [bar]T∗: Temperature [K], [◦C]

Range of Argument(s)0.239×103 ≤P≤20×106 [Pa]SPT(P,TMLP(P))≤S≤
SPT(P,300K) [J/(kg·K)]
2.39×10−3 ≤P≤200 [bar]SPT(P,TMLP(P))≤S≤
SPT(P,26.85◦ C) [J/(kg·K)]
0.239×103 ≤P≤20×106 [Pa]TMLP(P)≤T≤300 [K]
2.39×10−3 ≤P≤200 [bar]TMLP(P)≤T≤26.85 [◦ C]
0.239×103 ≤P≤5.23952×106 [Pa]2.39×10−3 ≤P≤52.3952 [bar]0≤X≤1.0 [–]53.481≤T≤144.414 [K]−219.669≤T≤−128.736 [◦ C]
53.481≤T≤144.414 [K]−219.669≤T≤−128.736 [◦ C]
53.481≤T≤144.414 [K]−219.669≤T≤−128.736 [◦ C]
0≤X≤1.0 [–]0.239×103 ≤P≤5.23952×106 [Pa]2.39×10−3 ≤P≤52.3952 [bar]0.239×103 ≤P≤5.23952×106 [Pa]2.39×10−3 ≤P≤52.3952 [bar]0.239×103 ≤P≤20×106 [Pa]SPT(P,TMLP(P))≤S≤
SPT(P,300K) [J/(kg·K)]
2.39×10−3 ≤P≤200 [bar]SPT(P,TMLP(P))≤S≤
SPT(P,26.85◦ C) [J/(kg·K)]
0.239×103 ≤P≤20×106 [Pa]TMLP(P)≤T≤300 [K]
2.39×10−3 ≤P≤200 [bar]TMLP(P)≤T≤26.85 [◦ C]
0.239×103 ≤P≤5.23952×106 [Pa]2.39×10−3 ≤P≤52.3952 [bar]0≤X≤1.0 [–]53.481≤T≤144.414 [K]−219.669≤T≤−128.736 [◦ C]
53.481≤T≤144.414 [K]−219.669≤T≤−128.736 [◦ C]
53.481≤T≤144.414 [K]−219.669≤T≤−128.736 [◦ C]
0≤X≤1.0 [–]0.239×103 ≤P≤20×106 [Pa]TMLP(P)≤T≤300 [K]
2.39×10−3 ≤P≤200 [bar]TMLP(P)≤T≤26.85 [◦ C]

96

P-PROPATH: Pure Substances and Mixtures with Fixed Composition
Table II–2.8–1 Fluorine Function (cont’d)No.
56

Name of
Function
XPH(P,H)57

XPS(P,S)58

XPU(P,U)59

XPV(P,V)60

XTH(T,H)

61

XTS(T,S)62

XTU(T,U)63

XTV(T,V)

Function and Argument(s)Range of Argument(s)XPH: Dryness Fraction [–]P∗: Pressure [Pa], [bar]H: Speciﬁc Enthalpy of Mixture [J/kg]
XPS: Dryness Fraction [–]P∗: Pressure [Pa], [bar]S: Speciﬁc Entropy of Mixture [J/(kg·K)]
XPU: Dryness Fraction [–]P∗: Pressure [Pa], [bar]U: Speciﬁc Internal Energy of Mixture [J/kg]
XPV: Dryness Fraction [–]P∗: Pressure [Pa], [bar]V: Speciﬁc Volume of Mixture [m3 /kg]
XTH: Dryness Fraction [–]T∗: Temperature [K], [◦ C]
H: Speciﬁc Enthalpy of Mixture [J/kg]
XTS: Dryness Fraction [–]T∗: Temperature [K], [◦ C]
S: Speciﬁc Entropy of Mixture [J/(kg·K)]
XTU: Dryness Fraction [–]T∗: Temperature [K], [◦ C]
U: Speciﬁc Internal Energy of Mixture [J/kg]
XTV: Dryness Fraction [–]T∗: Temperature [K], [◦ C]
V: Speciﬁc Volume of Mixture [m3 /kg]

0.239×103 ≤P≤5.23952×106 [Pa]2.39×10−3 ≤P≤52.3952 [bar]HPD(P)≤H≤HPDD(P) [J/kg]
0.239×103 ≤P≤5.23952×106 [Pa]2.39×10−3 ≤P≤52.3952 [bar]SPD(P)≤S≤SPDD(P) [J/(kg·K)]
0.239×103 ≤P≤5.23952×106 [Pa]2.39×10−3 ≤P≤52.3952 [bar]UPD(P)≤U≤UPDD(P) [J/kg]
0.239×103 ≤P≤5.23952×106 [Pa]2.39×10−3 ≤P≤52.3952 [bar]VPD(P)≤V≤VPDD(P) [m3 /kg]
53.481≤T≤144.414 [K]−219.669≤T≤−128.736 [◦C]HTD(T)≤H≤HTDD(T) [J/kg]
53.481≤T≤144.414 [K]−219.669≤T≤−128.736 [◦C]
STD(T)≤S≤STDD(T) [J/(kg·K)]
53.481≤T≤144.414 [K]−219.669≤T≤−128.736 [◦C]UTD(T)≤U≤UTDD(T) [J/kg]
53.481≤T≤144.414 [K]−219.669≤T≤−128.736 [◦C]
VTD(T)≤V≤VTDD(T) [m3 /kg]