Table1 Saturated salt solutions and equilibrium relative humidity at different temperatures

1

Lithium chloride (LiCl)

11.28

11.21

11.40

10.95

2

Potassium fluoride (KF)

–

22.68

20.80

20.77

3

Potassium acetate (CH₃CO₂K)

21.61

–

31.40

–

4

Magnesium chloride (MgCl₂)

32.44

32.70

–

29.26

5

Potassium carbonate (K₂CO₃)

43.17

–

–

37.70

6

Magnesium nitrate (Mg (NO₃)₂)

51.40

48.42

46.30

47.70

7

Cobalt chloride (COCl₂)

–

55.48

50.01

–

8

Sodium nitrite (NaNO₂)

63.00

–

–

–

9

Potassium iodide (KI)

–

66.09

64.49

63.11

10

Sodium nitrate (NaNO₃)

–

–

–

67.35

11

Sodium chloride (NaCl)

75.00

74.68

74.70

–

12

Potassium chloride (KCl)

83.62

82.32

–

80.25

13

Potassium nitrate (KNO₃)

92.31

89.03

85.00

–

14

Potassium sulphate (K₂SO₄)

–

–

95.80

95.82