AquaLab 4TEV Series User Manual

16 APPENDIX B AquaLab
16 Appendix B
Temperature Correction
of Decagon’s Verification Standards
Table 5: Water Activity of Selected Salt Solutions
Temp. H
2
O
0.50 2.33 6.00 8.57 13.41
(
◦
C)
mol/kg mol/kg mol/kg mol/kg mol/kg
KCL NaCL NaCL LiCl LiCl
15.0 1.000 0.984 0.923 0.761 0.492 0.238
20.0 1.000 0.984 0.922 0.760 0.496 0.245
25.0 1.000 0.984 0.920 0.760 0.500 0.250
30.0 1.000 0.984 0.920 0.760 0.504 0.255
35.0 1.000 0.984 0.920 0.760 0.508 0.261
40.0 1.000 0.984 0.921 0.760 0.512 0.266
50.0 1.000 0.984 0.894 0.740 0.517 0.275
Note: The AquaLab measures these verification standards to ±0.003
a
w
with the dew point sensor and ±0.015 a
w
with the capacitance
sensor.
108

AquaLab 4TEV Series Specifications

General

Brand	AquaLab
Model	4TEV Series
Category	Measuring Instruments
Language	English