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Chemistry, 10.09.2019 18:30 fooligan3448
For this device the liquid to be tested is drawn into the tube to a level above the top etched line. the time is then obtained for the liquid to drain to the bottom etched line. the kinematic viscosity, ν, in m2/s is then obtained from the equation ν = kr4t where k is a constant, r is the radius of the capillary tube in mm, and t is the drain time in seconds. when glycerin at 20 ˚c (υ=1.19·10-3 m2/s) is used as a calibration fluid in a particular viscometer the drain time is 1430 s. when a liquid having a density of 970 kg/m3 is tested in the same viscometer the drain time is 900 s. what is the dynamic viscosity of this liquid?
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For this device the liquid to be tested is drawn into the tube to a level above the top etched line....
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