Fixed sleeve junction reference electrode

Details Fixed sleeve junction reference electrode Fixed sleeve junction reference electrode

1982-03-01

1983-03-29

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

Vacuum arc discharge coating

G01N 2730

Patent

active

043782809

ABSTRACT:
In an electrode of the type having a reservoir for containing a reference electrolyte solution and a liquid junction for effecting electrical communication between said reference electrolyte solution and a sample solution, and including a seat and plug valve assembly of the electrode in communication with the reservoir and a sample solution, an improvement characterized in that a resiliently stressed spring contained within the reservoir biases the plug axially into mating engagement with the valve seat, and in that, upon application of displacement pressure axially against the plug, the latter automatically twists, axially, to execute a partial turn so that a valve-closing face of the plug laps or wipes against the seat and concurrently moves from engagement with the valve seat to open the valve assembly for fluid flow and cleansing flushing therethrough.

REFERENCES:
patent: 3298944 (1967-01-01), Luck
patent: 3790463 (1974-02-01), Gealt

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