Preparing Salt Solutions; Appendix A - Decagon Devices WP4C Operator's Manual

WP PotentiaMeter
4C

Appendix A

Appendix A

Preparing Salt Solutions

Following is a table showing the water potential at given
concentrations of NaCl and KCl at 20°C.
Table 2: Water Potential of NaCl and KCl in
Concentration
(Moles/kg)
0.05
0.10
0.20
0.30
0.40
0.50
0.60
0.70
0.80
0.90
1.00
Megapascals (MPa)
NaCl
-0.232
-0.454
-0.901
-1.349
-1.793
-2.242
-2.699
-3.159
-3.618
-4.087
-4.558
58
KCl
-0.232
-0.452
-0.888
-1.326
-1.760
-2.190
-2.622
-3.061
-3.501
-3.931
-4.372