Study of Phase Equilibrium of NaBr + KBr + H2O and NaBr + MgBr2 + H2O at 313.15 K
Table 2
Mass Fraction Solubility of the ternary NaBr + KBr + H2O system at temperature = 313.15 K and pressure = 0.1 .
Number
Composition of liquid phase,
Composition of wet residue phase,
Densities of liquid phase
Equilibrium solid phase
ρ/(g⋅cm−3)
1, P
0.00
43.51
ND
1.4208
KBr
2
3.56
40.23
2.45
59.74
1.4247
KBr
3
7.23
36.77
5.43
53.13
1.4286
KBr
4
10.88
33.61
6.84
58.31
1.4351
KBr
5
14.88
30.33
9.60
55.30
1.4446
KBr
6
18.75
27.21
10.57
59.18
1.4546
KBr
7
21.68
24.98
12.22
57.81
1.4636
KBr
8
25.23
22.18
14.66
54.92
1.4738
KBr
9
29.28
19.08
15.63
56.89
1.4863
KBr
10
33.05
16.62
15.95
59.95
1.5034
KBr
11
37.45
13.87
18.97
56.55
1.5254
KBr
12
41.23
11.48
18.92
59.52
1.5439
KBr
13, S
46.12
8.20
49.09
20.61
1.5658
NaBr⋅2H2O + KBr
14
47.31
4.97
59.53
2.84
1.5462
NaBr⋅2H2O
15
49.56
2.36
54.95
1.91
1.5355
NaBr⋅2H2O
16, H
51.43
0.00
ND
ND
1.5296
NaBr⋅2H2O
uncertainties K, , , , and . , mass fraction of NaBr; , mass fraction of KBr. , not determined. H, S, and P have the same meaning as described in Figure 2.