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    A MINIATURIZED SOLID-STATE REFERENCE ELECTRODE WITH SELF-DIAGNOSTIC FUNCTION
    3.
    发明授权
    A MINIATURIZED SOLID-STATE REFERENCE ELECTRODE WITH SELF-DIAGNOSTIC FUNCTION 有权
    具有自诊断功能的微型固态参比电极

    公开(公告)号：EP1171765B1

    公开(公告)日：2005-08-24

    申请号：EP00914358.7

    申请日：2000-03-24

    申请人： Infopia Co., Ltd.

    发明人： Shin, Jae Ho ,  Lee, Sung Dong ,  Nam, Hakhyun ,  Cha, Geun Sig ,  Bae, Byeong Woo

    IPC分类号： G01N27/333 ,  G01N27/416 ,  G01N27/30

    CPC分类号： G01N27/301

    摘要： The present invention relates to a reference electrode for a potentiometric electrode system, characterized in that the junction in contact with a sample solution is enlarged and an ion-sensitive membrane containing an ion selective material as a protective membrane for the inner reference solution is employed, which comprises a substrate; a metal layer; an insoluble metal salt layer; an insulating film for insulating the metal layer from an aqueous solution; a hydrogel serving as an inner reference solution; the junction on the hydrogel contacting with a sample solution; the ion-sensitive, protective membrane formed over all surface areas of the hydrogel, except for the junction, to separate the sample solution from the inner reference solution or act as an ion-sensing membrane upon the contamination of the junction, whereby the operational abnormality caused by junction contamination may be easily checked and fast activation may be achieved.

    A MINIATURIZED SOLID-STATE REFERENCE ELECTRODE WITH SELF-DIAGNOSTIC FUNCTION
    4.
    发明公开
    A MINIATURIZED SOLID-STATE REFERENCE ELECTRODE WITH SELF-DIAGNOSTIC FUNCTION 有权
    具有自诊断功能的微型固态参比电极

    公开(公告)号：EP1171765A1

    公开(公告)日：2002-01-16

    申请号：EP00914358.7

    申请日：2000-03-24

    申请人： Infopia Co., Ltd.

    发明人： Shin, Jae Ho ,  Lee, Sung Dong ,  Nam, Hakhyun ,  Cha, Geun Sig ,  Bae, Byeong Woo

    IPC分类号： G01N27/333

    CPC分类号： G01N27/301

    摘要： The present invention relates to a reference electrode for a potentiometric electrode system, characterized in that the junction in contact with a sample solution is enlarged and an ion-sensitive membrane containing an ion selective material as a protective membrane for the inner reference solution is employed, which comprises a substrate; a metal layer; an insoluble metal salt layer; an insulating film for insulating the metal layer from an aqueous solution; a hydrogel serving as an inner reference solution; the junction on the hydrogel contacting with a sample solution; the ion-sensitive, protective membrane formed over all surface areas of the hydrogel, except for the junction, to separate the sample solution from the inner reference solution or act as an ion-sensing membrane upon the contamination of the junction, whereby the operational abnormality caused by junction contamination may be easily checked and fast activation may be achieved.