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    • 8. 发明授权
    • Ion measuring composite electrode
    • 离子测量复合电极
    • US07314541B2
    • 2008-01-01
    • US10695298
    • 2003-10-28
    • Toshiyuki Baba
    • Toshiyuki Baba
    • G01N27/333G01N27/36
    • G01N27/4035G01N27/36Y10T29/49002
    • The present invention provides an improved ion measuring composite electrode, measuring instrument incorporating the composite electrode, and a manufacturing method for forming a preform of a composite double glass pipe for forming the ion measuring composite electrode. A hollow inner pipe and a hollow outer pipe are axially aligned with an elongated member having liquid absorption capacity. The inner pipe is welded to the outer pipe to form an annular space there between for receiving reference electrode liquid. The elongated member insures electrical conductivity even in the presence of air bubbles so that the measuring instrument is operatable and an appropriate weld can be easily manufactured to improve productivity.
    • 本发明提供了一种改进的离子测量复合电极,并入复合电极的测量仪器,以及用于形成用于形成离子测量复合电极的复合双重玻璃管的预制件的制造方法。 中空的内管和中空的外管与具有液体吸收能力的细长构件轴向对准。 内管被焊接到外管,以在其间形成用于接收参考电极液体的环形空间。 细长构件即使在存在气泡的情况下也确保电导率,使得测量仪器是可操作的,并且可以容易地制造适当的焊接以提高生产率。