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Journal of the Korean Chemical Society (JKCS)

ISSN 1017-2548(Print)
ISSN 2234-8530(Online)
Volume 16, Number 1
JKCSEZ 16(1)
February 20, 1972 

The Flocculation of Veegum Suspension by Electrolytes
Kwang Pyo Lee, Robert C. Mason, Taikyue Ree
The effect on the apparent viscosity of 2 wt. % Veegum suspensions of different types of electrolytes and of different electrolyte concentrations was studied. Measurements were made with a Brookfield Synchro-Lectric Viscometer, using No.3 spindle at 30 R.P.M. at 24℃. As electrolyte concentration increased, the apparent viscosity was observed to increase to a maximum and then to decrease. Changes in viscosity were in general agreement with predicted results based on the Hofmeister sequence and the Schulze-Hardy rule. The observed electrolyte effect on the apparent viscosity was discussed in terms of the Verwey-Overbeek theory.
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