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Table VI Solution % RH and composition from reversed deliquescence of NaCl–KNO3 mixtures at 120°C. Reported values represent the average steady-state solution composition.

From: Deliquescence of NaCl–NaNO3, KNO3–NaNO3, and NaCl–KNO3salt mixtures from 90 to 120°C

Expt. ID

T (°C)

% RH ± 3.1

Na molal

K molal

Cl molal

NO3 molal

[Na]/[Na] + [K]

Initially dissolved salt

MS-34A(44)

120

43.0

8.35 ± 0.00

17.19 ± 0.32

6.14 ± 0.00

20.22 ± 0.05

0.33 ± 0.01

MS-34A(41)

120

41.6

10.98 ± 0.03

27.72 ± 0.06

5.95 ± 0.00

33.43 ± 0.14

0.28 ± 0.01

MS-34A(48)

120

48.1

8.18 ± 0.06

16.55 ± 0.25

6.09 ± 0.02

19.27 ± 0.06

0.33 ± 0.01

MS-39A

119

47.3

9.14 ± 0.07

20.33 ± 0.13

6.09 ± 0.04

23.85 ± 0.09

0.31 ± 0.01

MS-40A

119

47.9

5.54 ± 0.05

30.26 ± 0.08

5.53 ± 0.00

30.38 ± 0.13

0.16 ± 0.00

MS-41A

119

45.7

9.86 ± 0.05

22.09 ± 0.03

6.22 ± 0.02

26.44 ± 0.06

0.31 ± 0.01

MS-42A2

119

43.8

7.35 ± 0.02

30.14 ± 0.14

5.60 ± 0.00

31.62 ± 0.03

0.20 ± 0.00

MS-43A2

119

43.3

10.65 ± 0.03

24.90 ± 0.04

6.00 ± 0.03

29.29 ± 0.17

0.30 ± 0.00

MS-44A(40)

119

41.9

8.57 ± 0.01

29.30 ± 0.18

5.71 ± 0.00

32.51 ± 0.03

0.23 ± 0.00

MS-44A(41)

119

42.9

8.19 ± 0.01

29.28 ± 0.09

5.45 ± 0.00

3 1.94 ± 0.05

0.22 ± 0.00

Initially solid salt

MS-33B(48)

120

48.7

4.64 ± 0.03

27.60 ± 0.22

4.60 ± 0.03

27.94 ± 0.03

0.14 ± 0.00

MS-34B(44)

120

45.3

9.45 ± 0.09

26.16 ± 0.16

5.74 ± 0.00

30.67 ± 0.07

0.27 ± 0.01

MS-34B(41)

120

41.0

10.89 ± 0.03

28.53 ± 0.11

5.92 ± 0.00

34.26 ± 0.06

0.28 ± 0.01

MS-34B(48)

119

49.0

8.11 ± 0.02

18.20 ± 0.27

5.76 ± 0.02

21.47 ± 0.03

0.31 ± 0.01

MS-38B

119

46.9

5.30 ± 0.01

28.48 ± 0.16

5.31 ± 0.02

28.50 ± 0.03

0.16 ± 0.00

MS-39B

120

46.9

10.11 ± 0.02

23.21 ± 0.01

6.15 ± 0.03

28.05 ± 0.00

0.30 ± 0.01

MS-40B

119

46.2

5.84 ± 0.01

31.11 ± 0.01

5.86 ± 0.00

31.62 ± 0.16

0.16 ± 0.00

MS-41B

119

46.1

10.02 ± 0.03

23.20 ± 0.06

6.01 ± 0.02

27.25 ± 0.15

0.30 ± 0.00

MS-42B2

119

 

7.37 ± 0.01

31.58 ± 0.16

5.83 ± 0.00

33.11 ± 0.01

0.19 ± 0.00

MS-43B2

120

43.6

11.24 ± 0.01

26.87 ± 0.05

6.36 ± 0.01

31.73 ± 0.08

0.30 ± 0.00

MS-44B(40)

119

41.3

9. 11 ± 0.05

28.91 ± 0.31

5.69 ± 0.01

32.42 ± 0.02

0.24 ± 0.00

MS-44B(41)

119

42.4

8.37 ± 0.03

29.79 ± 0.51

5.72 ± 0.01

32.65 ± 0.10

0.22 ± 0.00