Page 305 - Characterization and Properties of Petroleum Fractions - M.R. Riazi

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6. THERMODYNAMIC RELATIONS FOR PROPERTY ESTIMATIONS 285
P-Const. 20:46
L T M1
Freezing line T M1 L
Freezing line
L T M
T M −x 1
T M L+S S
L T M −x 1
T M2 L+S
T M −x 1
Melting line L
S + S
T M2 T M −x 1 Melting line
S S
0 1.0 0 1.0
S L S L
x 1 , x 1 x 1 , x 1
FIG. 6.32—Schematic of freezing–melting points diagram for ideal and nonideal
binary systems.

(a)

(b)
FIG. 6.33—Schematic of interferometer for measuring velocity of sound in liquids.
(a) General view of ultrasonic interferometer and (b) cross section of ultrasonic cell.
Taken with permission from Ref. [49].

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