Apparatus and method for determining the water content of a wate

Details Apparatus and method for determining the water content of a wate Apparatus and method for determining the water content of a wate

1981-10-05

1985-03-12

Tokar, Michael J.

Electricity: measuring and testing

Electrolyte properties

Using a conductivity determining device

324441, G01N 2702

Patent

active

045047901

ABSTRACT:
An apparatus for determining the proportion of water within a mixture of water and a water-miscible solvent includes means for increasing the electrical conductivity of the mixture in proportion to the amount of water contained therein. In a particular embodiment this is done by passing a component stream of the sample through a replenishable bed of a salt, which salt is easily soluble in water but is relatively insoluble in the solvent. The dissolving of the salt introduces an appreciable number of conductive ions into the mixture, thereby enhancing its overall conductivity. A conventional detecting scheme measures the enhanced conductivity of the mixture, and means is provided for correlating this conductivity measurement to the proportion of water within the mixture.

REFERENCES:
patent: 2509303 (1950-05-01), Jellinek
patent: 3971980 (1976-07-01), Jungfer et al.
patent: 4322685 (1982-03-01), Frailing et al.

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