Apparatus for teaching electrochemical principles

Details Apparatus for teaching electrochemical principles Apparatus for teaching electrochemical principles

1982-12-16

1984-09-18

Skogquist, Harland S.

Education and demonstration

Science

Chemistry or metallurgy

434301, G09B 2324

Patent

active

044721455

ABSTRACT:
Apparatus for performing electrochemical experiments in a laboratory for teaching the principles thereof is disclosed. The apparatus includes a holder unit, having a plurality of fluid-receiving recesses, and ion-conductive elements or substances, formed from a plant material having sufficient capillary action to permit ion travel therethrough. One recess receives an electrolytic solution, any remaining two recesses receive metallic salt solutions, and an ion-conductive substance is placed to extend from immersion in each salt solution to the electrolyte solution, forming in conjunction with the electrolytic solution an ion-conducting electrolyte bridge. Thin strips of a metal element are partially immersed in each reactant solution to initiate oxidation-reduction reactions, creating dissimilar electrodes forming a galvanic cell.

REFERENCES:
patent: 1144680 (1915-06-01), Allers
Cenco Electrolysis Apparatus, Brownlee's Form, p. 91 of 1969 Cenco Educational Catalog.
Conductivity of Solutions Apparatus, No. 81180, p. 91 of 1969 Cenco Educational Catalog.

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