Reference electrode assembly of a silver/silver chloride constru

Details Reference electrode assembly of a silver/silver chloride constru Reference electrode assembly of a silver/silver chloride constru

1989-10-06

1991-07-23

Tung, T.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

G01N 2730

Patent

active

050341138

ABSTRACT:
An improved reference electrode assembly is provided to solve blockage problems that can occur upon contamination of the internal solution in a housing member. An absorbent means can be provided for removing silver ions through the reaction of an alkali metal ion with a tetraphenylborate ion to produce a compound larger than that of a silver ion and a tetraphenylborate ion. The absorbent material can, for example, be a porous activated carbon or a silica gel, and can be positioned between the internal electrode of the reference electrode assembly and the liquid junction.

REFERENCES:
patent: 3227643 (1966-01-01), Okun et al.
patent: 3455793 (1969-07-01), Watanabe et al.
patent: 3785948 (1974-01-01), Hitchman et al.
patent: 3835010 (1974-09-01), Levins

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