Viscosity detection apparatus and method

Details Viscosity detection apparatus and method Viscosity detection apparatus and method

1974-07-22

1976-01-06

Queisser, Richard C.

Measuring and testing

Liquid analysis or analysis of the suspension of solids in a...

Viscosity

73 611C, G01N 1100

Patent

active

039303993

ABSTRACT:
Apparatus and method applicable to liquid chromatography for continuously detecting the viscosity of the effluent from an analysis column of a chromatograph system. The effluent is forced through a tubular path in a flow resistance element, which may contain a packing material to increase the amount of energy dissipated in the flow resistance element. The temperature of the effluent is sensed before and after passage through the path. A signal is generated which is a function of the difference between the value of temperature which is sensed before and after traversal of the effluent through the tubular path. From these measurements, the viscosity of the effluent may be computed as a function of the observed temperature change.

REFERENCES:
patent: 3535918 (1970-10-01), Munk
patent: 3589170 (1971-06-01), Praglin et al.
patent: 3592043 (1971-07-01), Munk
patent: 3753369 (1973-08-01), Fowler et al.

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