NEW METHODS DETERMINE POUR POINT MORE ACCURATELY THAN ASTM D-97

H.U. Khan, S.Y.K. Dilawar, S.P. Nautiyal, S.P. Srivastava Indian Institute of Petroleum Dehradun, India A new, alternative method determines petroleum fluid pour points with 1 C. precision and better accuracy than the standard ASTM D-97 procedure. The new method measures the pour point of transparent fluids by determining wax appearance temperature (WAT). Also, pour points of waxy crude oils can be determined by measuring a flow characteristic called "restart" pressure.

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