Method and apparatus for quantitative analysis
First Claim
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1. A sensory apparatus comprising:
- a substrate comprising a plurality of sensors to obtain an analyte profile, the sensors including an ion-selective sensor capable of measuring ion content and a chlorine sensor capable of measuring chlorine content, a pH sensor comprising an ion-selective electrode same or different as said ion-selective sensor, and further comprising a bicarbonate ion sensor which is a differential pCO2 sensor comprising an unbuffered pH-sensitive electrode sensor of said differential pCO2 sensor being the same or different as the ion selective electrode comprising said pH sensor.
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Abstract
A sensory apparatus including a substrate including a plurality of sensors to obtain an analyte profile, the sensors including an ion-selective sensor capable of measuring ion content and a chlorine sensor capable of measuring chlorine content, is disclosed. A method of generating an analyte profile, including measuring, directly or indirectly, properties including free chlorine concentration, pH, calcium ion concentration, carbonate ion concentration, and bicarbonate ion concentration, concurrently on a contiguous sample, is also disclosed.
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Citations
18 Claims
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1. A sensory apparatus comprising:
a substrate comprising a plurality of sensors to obtain an analyte profile, the sensors including an ion-selective sensor capable of measuring ion content and a chlorine sensor capable of measuring chlorine content, a pH sensor comprising an ion-selective electrode same or different as said ion-selective sensor, and further comprising a bicarbonate ion sensor which is a differential pCO2 sensor comprising an unbuffered pH-sensitive electrode sensor of said differential pCO2 sensor being the same or different as the ion selective electrode comprising said pH sensor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. An apparatus for analyzing water quality, comprising:
- a plurality of ion-selective sensors for measuring ion content of the water, each ion-selective sensor including a sensor element comprising an electrode and an ion-selective membrane on a substrate wherein at least one ion-selective sensor comprises a pH sensor;
an amperometric chlorine sensor, the chlorine sensor including a sensor element comprising a working electrode and a counter electrode on said substrate;
a bicarbonate ion sensor which is a differential pCO2 sensor comprising an unbuffered pH-sensitive electrode sensor and a buffered pH-selective electrode sensor, said buffered pH-selective electrode sensor of said differential pCO2 sensor being the same or different as the ion selective electrode comprising said pH sensor; and
an analyzer unit connected to the sensor elements, wherein the sensor elements transmit signals to the analyzer and wherein the analyzer calculates an analyte profile based on said signals.
- a plurality of ion-selective sensors for measuring ion content of the water, each ion-selective sensor including a sensor element comprising an electrode and an ion-selective membrane on a substrate wherein at least one ion-selective sensor comprises a pH sensor;
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14. A sensory apparatus comprising:
a substrate comprising a plurality of sensors, including a free chlorine sensor; a pH sensor comprising an ion selective electrode; a calcium ion sensor; a carbonate ion sensor; and a bicarbonate ion sensor which is a differential pCO2 sensor comprising an unbuffered pH-sensitive electrode sensor and a buffered pH-selective electrode sensor, said buffered pH-selective electrode sensor of said differential pCO2 sensor being the same or different as the ion selective electrode comprising said pH sensor. - View Dependent Claims (15)
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16. A sensory apparatus, comprising:
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a substrate comprising a plurality of sensors, including; a chlorine sensor; a pH sensor comprising an ion selective electrode; a conductivity sensor; a temperature sensor; a first ion selective electrode sensor; a second ion selective electrode sensor configured to measure a different ion than the first ion selective electrode sensor; a bicarbonate ion sensor which is a differential pCO2 sensor comprising an unbuffered pH-sensitive electrode sensor and a buffered pH-selective electrode sensor, said buffered pH-selective electrode sensor of said differential pCO2 sensor being the same or different as the ion selective electrode comprising said pH sensor; and an analyzer, wherein the analyzer is configured to correct a measurement of the first ion selective electrode sensor based upon the measured conductivity and temperature, and wherein the analyzer is configured to correct a measurement of the chlorine sensor based upon the measured pH. - View Dependent Claims (17, 18)
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Specification