What is UBBELOHDE VISCOMETER?

Type of viscometer used for measuring dilute solution viscosity of polymers. Consists of glass capillary and reservoir on which are enscribed two fixed marks. Held vertical, the solution is allowed to flow through the capillary from the reservoir, and the time for movement between the fixed marks recorded. This is repeated for several different concentrations, from which data, the intrinsic viscosity of the polymer can be calculated.


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