AUTOMATED CAPILLARY VISCOMETER
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United States of America Patent
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app pub date -
Oct 26, 2012
filing date -
Oct 31, 2011
priority date (Note) -
Abandoned
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Abstract
A measurement apparatus and method for determining a viscosity of a fluid are disclosed. A predetermined pre-fill portion of a sample of the fluid is injected into a capillary at a predetermined flow rate. The pressure differential across the capillary is determined, and the measurement is aborted when the measured pressure is greater than a predetermined maximum pressure. When the measured pressure is less than the predetermined maximum pressure, the remaining portion of the sample is injected into through the capillary. The viscosity of the sample is calculated based on a pressure within the capillary during the injection of the remaining portion of the sample.
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