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AquaLab 4TE Series User Manual

AquaLab 4TE Series
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14 FURTHER READING AquaLab
14 Further Reading
14.1 Water Activity Theory & Measurement
Bousquet-Ricard, M., G. Qualyle, T. Pharm, and J. C. Cheftel. 1980.
Comparative study of three methods of determining water activity
in intermediate moisture foods. Lebensm Wiss Technol 13:169-173.
Cazier, J.B., and V. Gekas. 2001. Water activity and its predic-
tion: a review. International Journal of Food properties 4(1):35-43.
Chirife, J., G. Favetto, C. Ferro-Fontn, and S.L.Resnik. 1983. The
water activity of standard saturated salt solutions in the range of
intermediate moisture foods. Lebensm Wiss Technol 16:36-38.
Duckworth, R. 1975. Water relations of foods. Academic Press,
New York.
Gmez, R., and J. Fernandez-Salguero. 1992. Water activity and
chemical composition of some food emulsions. Food Chem 45:91-93.
Greenspan, L. 1977. Humidity fixed points of binary saturated aque-
ous solutions. J Res Nat Bur Stand - A Phys Chem 81A:89-96.
Karmas, E. 1981. Measurement of moisture content. Cereal Foods
World 26:332-334.
Kitic, D., D.C. Pereira-Jardim, G.J. Favetto, S.L. Resnik, and J.
Chirife. 1986. Theoretical prediction of the water activity of stan-
dard saturated salt solutions at various temperatures. Journal of
Food Science 51:1037-1042.
Labuza, T.P., and R. Contreras-Medellin. 1981. Prediction of mois-
ture protection requirements for foods. Cereal Foods World 26:335-
343.
Labuza, T.P., K. Acott, S.R.Tatini, R.Y. Lee, J. Flink, and W. Mc-
Call. 1976. Water activity determination: A collaborative study of
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AquaLab 4TE Series Specifications

General IconGeneral
Accuracy±0.003 aw
Temperature Control15 to 50 °C
Measurement Time5 minutes
Measurement PrincipleChilled Mirror Dewpoint
Resolution0.0001 aw
Temperature Accuracy±0.1 °C
CommunicationUSB, RS-232
DisplayLCD
Measurement Range0.03 to 1.00 aw
Operating Temperature4-50 °C (39-122 °F)
Data Storage8000 readings
Power Supply50/60 Hz
Storage Temperature-20 to 50 °C

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