This standard specifies the method for determining the viscosity of crude oil using a coaxial cylinder rotational viscometer. This standard is applicable to the determination of the viscosity or apparent viscosity of crude oil with a water content not exceeding 0.5% (mass classification).
SY/T 0520-2008 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