JPS59104054U

JPS59104054U - Reference electrode

Info

Publication number: JPS59104054U
Application number: JP20195982U
Authority: JP
Inventors: 越石　喜代三; 小野　憲秋
Original assignee: オリンパス光学工業株式会社
Priority date: 1982-12-28
Filing date: 1982-12-28
Publication date: 1984-07-13

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は本考案の比較電極の一例の構成を示す断面図、
第２図は本考案に係る比較電極を用いるイオン濃度測定
装置の一例め構成を示す線図、第３図は同じ（他の例の
構成を示す線図である。１・・・ガラス管、２・・・多孔質セラミック、、３・
・・親水性高分子層、４・・・電解液、５・・・銀／塩
化銀電極、６・・・キャップ、７・・・リード線、８・
・・比較電極、９・・・指示電極、１゛０・・・測定面
、１１・・・検液、１２・・・モータ、１３・・・出力
軸、１４・・・増幅器、１５・・・表　　　　゛示温、
１６・・・測定ブロック、１７・・・Ｏ−リング、１８
・・・電解液流入孔、１９・・・検液流人孔、２０・・
・　　、排出孔。FIG. 1 is a cross-sectional view showing the configuration of an example of the reference electrode of the present invention;
FIG. 2 is a diagram showing an example of the configuration of an ion concentration measuring device using a reference electrode according to the present invention, and FIG. 3 is a diagram showing the same (another example) configuration. 1...Glass tube; 2...Porous ceramic, 3.
... Hydrophilic polymer layer, 4... Electrolyte, 5... Silver/silver chloride electrode, 6... Cap, 7... Lead wire, 8...
... Reference electrode, 9... Indicator electrode, 1゛0... Measurement surface, 11... Test liquid, 12... Motor, 13... Output shaft, 14... Amplifier, 15...・Table ゛Temperature reading,
16...Measurement block, 17...O-ring, 18
... Electrolyte inflow hole, 19... Test solution flow hole, 20...
・ , Exhaust hole.

Claims

[Scope of utility model registration request]

A reference electrode used when measuring the ion concentration in a test solution, in which a hydrophilic polymer layer containing polyhydroxyethyl methacrylate as a main component is provided on the surface of the liquid junction member in the part that comes into contact with the test solution. A comparison electrode characterized by: