This standard specifies the method for determining the viscosity of crude oil using a coaxial cylinder rotational viscometer. This standard is suitable for measuring the viscosity and apparent viscosity of crude oil with a water content not exceeding 0.5%.
SY/T 0520-1993 history
2008SY/T 0520-2008 Viscosity determination of crude petroleum.Equilibrium method by rotational viscometer
1993SY/T 0520-1993 Determination of Viscosity of Crude Oil by Rotational Viscometer Equilibrium Method