CLAIMS
`
`1,
`
`A solution measurement method in which a solution to
`
`be tested is temporarily stored in a solution storage
`
`portion of a test piece when added to the test piece,
`
`the
`
`solution to be tested is developed on a development layer
`
`of the test piece from the solution storage portion,
`
`the
`
`development layer having a portion to be measured, and an
`
`amount of a substance to be measured in the solution to
`
`10
`
`be tested is calculated by measuring an optical property
` of the portion to be measured,
`
`the method comprising:
`
`measuring the portion to be measured,
`
`in response to
`
`a reduction of the solution to be tested to a
`
`15
`
`predetermined amount or less in the solution storage
`
`portion; and
`
`calculating the amount of the substance to be
`
`measured in the solution to be tested, based on a
`
`measured value.
`
`2.
`
`The solution measurement method according to claim 1,
`
`further comprising:
`
`
`measuring a flowing time from addition of the
`
`solution to be tested to the test piece to the reduction
` of the solution to be tested in the solution storage
`
`portion to the predetermined amount or less;
`
`
`waiting a time period corresponding to the flowing
`
`time after the solution to be tested in the solution
`
`storage portion reduces to the predetermined amount or
`
`less; and
`
`calculating the amount of the substance to be
`
`measured in the solution to be tested, after the time
`
`period and based on the measured value of the portion to
`
`o
`
`e measured.
`
`35
`
`
`
`1,
`
`A solution measurement method in which a solution to
`
`be tested is temporarily stored in a solution storage
`
`portion of a test piece when added to the test piece,
`
`the
`
`solution to be tested is developed on a development layer
`
`of the test piece from the solution storage portion,
`
`the
`
`development layer having a portion to be measured, and an
`
`amount of a substance to be measured in the solution to
`
`10
`
`be tested is calculated by measuring an optical property
` of the portion to be measured,
`
`the method comprising:
`
`measuring the portion to be measured,
`
`in response to
`
`a reduction of the solution to be tested to a
`
`15
`
`predetermined amount or less in the solution storage
`
`portion; and
`
`calculating the amount of the substance to be
`
`measured in the solution to be tested, based on a
`
`measured value.
`
`2.
`
`The solution measurement method according to claim 1,
`
`further comprising:
`
`
`measuring a flowing time from addition of the
`
`solution to be tested to the test piece to the reduction
` of the solution to be tested in the solution storage
`
`portion to the predetermined amount or less;
`
`
`waiting a time period corresponding to the flowing
`
`time after the solution to be tested in the solution
`
`storage portion reduces to the predetermined amount or
`
`less; and
`
`calculating the amount of the substance to be
`
`measured in the solution to be tested, after the time
`
`period and based on the measured value of the portion to
`
`o
`
`e measured.
`
`35
`
`
`
`3.
`
`A solution measurement method in which a solution to
`
`be tested is temporarily stored in a solution storage
`
`portion of a test piece when added to the test piece,
`
`the
`
`solution to be tested is developed on a development layer
`
`
`of the test piece from the solution storage portion,
`
`the
`
`development layer having a portion to be measured, and an
`
`amount of a substance to be measured in the solution to
`
`be tested is calculated by measuring an optical propert
` of the portion to be measured,
`
`10
`
`the method comprising:
`
`
`measuring an initial storage amount of the solution
`
`to be tested in the solution storage portion of the test
`
`piece, when the solution to be tested is added to the
`
`test piece mounted at a predetermined mounting location
`
`15
`
`or when the test piece on which the solution to be tested
`
`has been added is mounted at the predetermined mounting
`
`location;
`
`measuring a storage amount of the solution storage
`
`portion aiso after the solution to be tested is added;
`
`measuring the optical property of the portion to be
`
`measured,
`
`in response to a reduction of the solution to
`
`be tested from the initial storage amount by a
`
`predetermined amount
`
`in the solution storage portion; and
`
`calculating, based on a measured vaiue,
`
`the amount of
`
`the substance to be measured in the solution to be tested.
`
`4,
`
`The solution measurement method according to claim 3,
`
`further comprising:
`
`
`measuring a flowing time from addition of the
`solution to be tested to the test piece to the reduction
` of the solution to be tested in the solution storage
`
`portion by the predetermined amount;
`
`
`waiting a time period corresponding to the flowing
`
`time after the reduction of the solution to be tested in
`
`
`
`the solution storage portion by the predetermined amount;
`
`and
`
`calculating the amount of the substance to be
`
`measured in the solution to be tested, after the time
`
`period and based on the measured value of the portion to
`
`o
`
`e measured.
`
`5.
`
`
`The solution measurement method according to one of
`
`claims 1 and 3, further comprising:
`
`10
`
`
`measuring an initial storage amount of the solution
`
`to be tested in the solution storage portion of the test
`
`piece, when the solution to be tested is added to the
`
`test piece mounted at a predetermined mounting Location
`
`or when the test piece on which the solution to be tested
`
`15
`
`has been added is mounted at the predetermined mounting
`
`location; and
`
`
`performing at least one of a measurement terminating
`
`operation and a warning operation when the initial
`
`storage amount of the solution to be tested is smaller
`
`than predetermined initial storage setting.
`
`6.
`
`
`The solution measurement method according to one of
`
`claims 1 and 3, wherein the test piece is a test piece
`
`for chromatography.
`
`7.
`
`A solution measurement apparatus in which a solution
`
`to be tested is temporarily stored in a solution storage
`
`portion of a test piece when added to the test piece,
`
`the
`
`solution to be tested is developed on a development layer
`
`
`of the test piece from the solution storage portion, and
`
`an amount of a substance to be measured in the solution
`
`
`
`to be tested is calculated by measuring an optical
`
`property of a predetermined portion to be measured on the
`
`development layer of the test piece,
`
`35
`
`the solution measurement apparatus comprising:
`
`
`
`an imaging device for imaging the portion to be
`
`measured and the solution storage portion of the test
`
`piece;
`
`a solution amount detector for detecting, based on
`
`imaging information, an amount of the solution to be
`
`tested in the solution storage portion; and
`
`a controller for measuring the portion to be measured,
`
`in response to a reduction of the solution to be tested
`
`to a predetermined amount or less in the solution storage
`
`portion or a reduction of the solution to be tested by
`
`10
`
`the predetermined amount or more in the solution storage
`
`portion, and calculating, based on a measured value,
`
`the
`
`amount of the substance to be measured in the solution to
`
`be tested.
`
`15
`
`8.
`f
`
`7,
`
`The solution measurement apparatus according to claim
`a4
`an illuminator for illuminating
`
`further comprising
`
`the
`
`test piece with measurement light; and a light receiver
`
`for receiving reflected light of the measurement light
`
`having illuminated the test piece.
`
`9,
`
`The solution measurement apparatus according to claim
`
`8, wherein the illuminator is one of an LED, an LD, anda
`
`lamp.
`
`10. The solution measurement apparatus according to claim
`,
`8, wherein the light receiver is an image sensor.
`
`li. The solution measurement apparatus according to claim
`
`7, wherein the test piece is a test piece for
`
`chromatography.
`
`
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