Differential pressure capillary viscometer for measuring viscosi

Details Differential pressure capillary viscometer for measuring viscosi Differential pressure capillary viscometer for measuring viscosi

1985-10-31

1986-12-09

Levy, Stewart J.

Measuring and testing

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

Viscosity

73 611C, G01N 1104

Patent

active

046272712

ABSTRACT:
A means for measuring either the intrinsic or inherent viscosity of a solute in solution with a solvent which is independent of flow rate and temperature fluctuations. The solution is passed through one capillary tube and the solvent through a second capillary, and the pressure drop across each is measured. Signals corresponding to each pressure drop measurement are fed to an amplification means such as a logarithmic amplifier where they are processed to determine either the intrinsic or inherent viscosity of the solute independent of flow rate and temperature fluctuations. The viscosity measuring means may also be used together with size exclusion chromatrography to determine the molecular weight distribution of polymer materials. It may also be used to measure the relative viscosity of a sample liquid and a reference liquid, and to determine the viscosity of the sample liquid independent of flow rate and temperature fluctuations.

REFERENCES:
patent: 3540264 (1970-11-01), Cerrutti et al.
patent: 3548638 (1970-12-01), Uchida et al.
patent: 3808887 (1974-05-01), Blair
patent: 3837212 (1974-09-01), Schulz
patent: 3924448 (1975-12-01), Howard et al.
patent: 3962907 (1976-06-01), Peyrouset et al.
patent: 4184364 (1980-01-01), Du Bae
patent: 4241602 (1980-12-01), Han et al.
patent: 4258564 (1981-03-01), Hulme et al.
patent: 4286457 (1981-09-01), Johnson
patent: 4309898 (1982-01-01), Harton
patent: 4316383 (1982-02-01), Fruman et al.
patent: 4350285 (1982-09-01), Holben
patent: 4384472 (1983-05-01), Tournier

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