Quantitative analyzing method and quantitative analyzer using sensor

  • US 7,351,323 B2
  • Filed: 01/15/2002
  • Issued: 04/01/2008
  • Est. Priority Date: 01/17/2001
  • Status: Expired due to Fees
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First Claim
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1. A quantitative analyzing method for electrochemically measuring concentration of a substance in a sample liquid using a sensor including a reagent layer which contains a reagent for reacting with the substance and to which the sample'"'"' liquid is introduced, and a first and a second electrodes for applying a voltage to the reagent layer, the method comprising:

  • a current measuring step for applying a voltage across the first electrode and the second electrode for measuring current flowing between the first electrode and the second electrode;

    a parameter calculating step for calculating a parameter based on the measured current; and

    a determining step for determining whether or not the sample liquid introduced to the reagent layer is insufficient in amount based on the parameter and at least one predetermined constant.

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