Method and apparatus for quantitative analysis
AssigneeSensicore, Inc.
InventorsSalvatore J. Pace, James H. Youngblood, III
Life of this patent
Estimating the term…
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.
Claims18
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.
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 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.
A sensory apparatus, comprising:
- 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.
Dependencies are inferred from the claim text.