p h2oh2oc 6 h 5 cl a(l)+b(l) a(l)+g g+b(l) t h2oh2oc 6 h 5 cl a(l)+b(l) a(l)+g g+b(l) t=90 ℃...
TRANSCRIPT
P
*AP
*BP
H2O C6H5Cl
A(l)+B(l)
A(l)+gg+B(l)
T
,b AT
,b BT
H2O C6H5Cl
A(l)+B(l)
A(l)+g
g+B(l)
T=90℃P=9.79X104Pa
g
g
F=2-3+1=0
ab
Phase diagram of immiscible liquid-liquid binary systems
Water vapour distillation
BA
BB
*
B nn
npyp
BA
AA
*
A nn
npyp
AA
BB
A
B
*
A
*
B
/
/
Mm
Mm
n
n
p
p
*B B B
*A A A
m p M
m p M
5.4.4 Phase diagrams of solid-liquid binary systems Condensed matter Solid-solution
Water-salt
( )P F=2-Φ+1 Single phase region Bi-phase line Triple point
Phase diagram of Water-salt system
Decrease of freezing temperature
Saturation curve
Consoluted temperature
Liquid solution/Salt/ ice
Application example 1: ice salt bath
NaCl(s)-OH 2
)s(CaCl-OH 22
KCl(s)-OH 2
Water-salt Consolute temperature
252 K
218 K
262.5 K
257.8 KCl(s)NH-OH 42
5.4.5 Phase diagrams of Solid-solid binary systemsSolid-solution equilibrium
Alloy
Au-Ag, Cu-Ni,Co-Ni
(1) Completely Miscible binary system
Annealing
Quenching