Ostwald viscometer

Ostwald viscometer

[′ȯst‚vält vi′skäm·əd·ər]
(engineering)
A viscometer in which liquid is drawn into the higher of two glass bulbs joined by a length of capillary tubing, and the time for its meniscus to fall between calibration marks above and below the upper bulb is compared with that for a liquid of known viscosity.
References in periodicals archive ?
Solution viscosity was obtained from a one-point method (22) using an Ostwald viscometer at 25 [degrees] C with the concentration of polycarbonate solution of 0.
The molecular weight of the PC in the blends were measured using an Ostwald viscometer, which is listed in Table 2.