The United States Pharmacopeia has stated that references to General Chapter <911> "Viscosity" will be changed to General Chapter <911> "Viscosity-Capillary Viscometer Methods," <912> "Rotational ...
Kinematic viscometers have historically been of the gravity-driven glass capillary type, as specified in ASTM D446, and directly measure kinematic viscosity following the ASTM D445 Test Method.