Rheological study of guar gum.
Bombay College of Pharmacy, Kalina, Santacruz (East), Mumbai-400099
J S Tantry Bombay College of Pharmacy, Kalina, Santacruz (East), Mumbai-400099
A rheological study of guar gum indicated a non-Newtonian, pseudoplastic behaviour of its solutions. When the data was treated mathematically by the modified Newton's law, F(N)=eta G, the exponential constant N was found to increase with increasing concentration of gum. The viscosity of the solutions remained fairly constant in the pH range from 1.5 to 10.5.