Title:
【発明の名称】全炭酸塩含有量、特に生理学的流体中の全炭酸塩含有量の測定方法
Document Type and Number:
Japanese Patent JPH01501094
Kind Code:
A
Abstract:
An electrochemical method for determining the total carbonate content of fluids, especially biological fluids. According to the invention, using an ion-selective electrode, the concentration of certain ions dissociable from carbon acid or affecting the dissociation balance is first measured for the fluid. The fluid is then mixed with another fluid containing a reactive component that changes the ionic concentration just measured, whereupon the concentration is again measured by means of an ion-selective electrode, thus producing two different measurement results, from which the total carbonate content can be determined. The measurement preferably relates to the pH of the fluid, while metallic ions such as Cu2+, forming a complex with hydrocarbonate ions, are used as the component to be added to alter the pH.
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Inventors:
Ibaska Ali
Rewenstam Andruzei
Weninen Erkki
Rewenstam Andruzei
Weninen Erkki
Application Number:
JP50595687A
Publication Date:
April 13, 1989
Filing Date:
October 02, 1987
Export Citation:
Assignee:
Corne Oy
International Classes:
G01N27/30; G01N27/416; G01N33/48; G01N33/84; (IPC1-7): G01N27/46
Attorney, Agent or Firm:
Akihide Sugimura (1 outside)