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    Coulometric analysis method and a device therefor
    2.
    发明授权
    Coulometric analysis method and a device therefor 失效
    库仑分析法及其设备

    公开(公告)号：US5909114A

    公开(公告)日：1999-06-01

    申请号：US957393

    申请日：1997-10-23

    申请人： Shunichi Uchiyama ,  Takeshi Sato ,  Hirofumi Akano ,  Yoshiya Kawamura

    发明人： Shunichi Uchiyama ,  Takeshi Sato ,  Hirofumi Akano ,  Yoshiya Kawamura

    IPC分类号： G01N27/42 ,  G01N33/18 ,  G01N27/26

    CPC分类号： G01N27/423 ,  G01N33/1806

    摘要： The present invention provides a rapid coulometric analysis for the quantitative determination of a sample substance with high reproducibility without any application of voltage etc. from the outside, as well as a galvanic cell and a device for use in said coulometric analysis. According to the present invention, a wide variety of components can be analyzed by selection of electroactive substance introduced into the galvanic cell. The present invention enables a simple and easy analysis for food components such as glutamic acid, ascorbic acid, etc., water quality such as COD, etc.

    摘要翻译： 本发明提供了一种用于定量测定样品物质的快速库仑分析，其重现性高，而没有外部施加电压等，以及用于所述库仑分析的电池和装置。 根据本发明，可以通过选择引入到原电池中的电活性物质来分析各种各样的组分。 本发明能够简单易用地分析谷物酸，抗坏血酸等食品成分，COD等水质等。

    Electrochemical sensor
    3.
    发明授权
    Electrochemical sensor 失效
    电化学传感器

    公开(公告)号：US07179354B2

    公开(公告)日：2007-02-20

    申请号：US10430301

    申请日：2003-05-07

    申请人： Tatsuhiko Yajima ,  Shunichi Uchiyama ,  Shinichi Harima

    发明人： Tatsuhiko Yajima ,  Shunichi Uchiyama ,  Shinichi Harima

    IPC分类号： G01N27/333 ,  G01N27/401

    CPC分类号： G01N27/3335 ,  G01N27/401 ,  G01N27/4035

    摘要： Disclosed is an electrochemical sensor comprising a work electrode and a reference electrode, said sensor adapted to measure the characteristics of a liquid under test, based on the relative electric potential difference and electric current between the work electrode and the reference electrode both immersed in the liquid under test, said work electrode comprising a substrate that reacts to the liquid under test for generating an electric potential according to the concentration of the liquid under test, and said reference electrode comprising a substrate that reacts to the liquid under test for generating a fixed electric potential. According to the present invention, at least one of the work electrode and the reference electrode comprises said substrate coated with a function film for serving to generate the electric potential through the intervention of the film between said substrate and the liquid under test.

    摘要翻译： 公开了一种电化学传感器，其包括工作电极和参考电极，所述传感器适于基于浸没在液体中的工作电极和参考电极之间的相对电位差和电流来测量被测液体的特性 所述工作电极包括与被测试液体反应以产生根据所测试液体浓度的电位的衬底的衬底，并且所述参考电极包括与被测液体反应以产生固定电 潜在。 根据本发明，工作电极和参考电极中的至少一个包括涂覆有功能膜的所述基板，用于通过膜在所述基板和被测液体之间介入而产生电位。

    Electroanalytical method
    4.
    发明授权
    Electroanalytical method 失效
    电子方法

    公开(公告)号：US5059290A

    公开(公告)日：1991-10-22

    申请号：US301792

    申请日：1989-01-25

    申请人： Shunichi Uchiyama ,  Shuichi Suzuki

    发明人： Shunichi Uchiyama ,  Shuichi Suzuki

    IPC分类号： G01N27/327 ,  G01N27/416 ,  G01N27/42 ,  G01N30/64

    CPC分类号： G01N27/3271

    摘要： An electroanalytical method which can detect and determine a substance in a short time, with stability and simply is provided, which method comprisesproviding an electrolytic cell provided with a working electrode chamber and a counter electrode chamber adjacent thereto by the medium of a separator electrolyzing a sample to be determined, by feeding it to a working electrode contained in the working electrode chamber and consisting of an electroconductive porous body impregnated with an electrolyte in a non-flowing state; and measuring at least one of the electric voltage, electric current and electrical quantity in the working electrode, to determine the substance in the sample.