Table 3 Saturated salt solutions used to control relative humidity.

From: Experimental investigation on water adsorption and desorption isotherms of the Longmaxi shale in the Sichuan Basin, China

Salt solution

Relative humidity (%)

30 °C

60 °C

LiCl

11.28

10.95

MgCl2

32.44

29.26

NaBr

56.03

49.66

KI

67.89

63.11

NaCl

75.09

74.50

KCl

83.62

80.25

K2SO4

97.00

94.56

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