Equilibrium moisture content as a function of temperature

From Saltwiki
Salt/Temperature Formula 0 °C 5 °C 10 °C 15 °C 20 °C 25 °C 30 °C 40 °C 50 °C
Lithium chloride LiCl 11.2 11.3 11.3 11.3 11.3 11.3 11.3
Antarcticite CaCl2•6H2O 44.3 39.4 33.3 21.6 18.4 16.3
Bischofite MgCl2•6H2O 34.4 33.7 33.1 32.4 31.5 30.5
Potassium carbonate dihydrate K2CO3•2H2O 43.1 43.1 43.1 43.2 43.2 43.2 43.2
Nitrocalcite Ca(NO3)2•4H2O 63.6 58.8 53.1 46.0 35.5 21.3 (Ca(NO3)2•3H2O)
Nitromagnesite Mg(NO3)2•6H2O 61.3 58.6 55.7 52.5 49.2 45.7
Nitrammite NH4NO3 73 69 65 61.8 59
Nitronatrite NaNO3 80.1 77.7 75.3 72.8 70.4 68.0
Halite NaCl 75.9 75.6 75.4 75.2 75.0 74.8
Thenardite Na2SO4 84.4 85.6 86.6 87.3 87.9 88.4
Sylvite KCl 88.3 86.7 85.0 83.5 82.1 80.7
Epsomite MgSO4•7H2O 93.7 91.3 90.3 89.1
Natron Na2CO3•10H2O 96.5 97.9 88.2 83.2
Mirabilite Na2SO4•10H2O 98.8 97.8 95.6 90.1
Niter KNO3 97.0 95.5 93.7 91.5 88.9 85.9
Arcanite K2SO4 98.8 98.5 98.2 97.9 97.6 97.3 97.0