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Chemical sensors of the Ion Selective Electrode (ISE) variety determine the amount of ions present in a solution. It operates by transforming a particular ion’s chemical potential in the solution into an electrical potential that the sensor can monitor.
A thin membrane that preferentially interacts with a specific ion in the solution makes up ISE sensors. An ionophore, or chemical made particularly to bond with the target ion, is present in this membrane. A polymer matrix that surrounds the ionophore gives the membrane stability.
An electrical potential is created across the membrane when the target ion interacts with the membrane by binding with the ionophore. An electrode that has been inserted into the solution and is attached to a voltmeter or other measuring tool subsequently measures this potential.
Many ions, including sodium, potassium, calcium, chloride, fluoride, and nitrate, can be measured with ISE sensors. They are frequently applied in many different fields, including as environmental monitoring, medical diagnosis, and industrial process control.
The excellent selectivity and sensitivity of ISE sensors, which enable them to identify even the smallest amounts of ions in a solution, is one of its key benefits.
Nevertheless, interference from other ions in the solution as well as variations in temperature and pH can also have an impact. To provide accurate and trustworthy measurements, the sensor must be properly calibrated and maintained.
Global ion selective electrode sensor market accounted for $XX Billion in 2022 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2023 to 2030.
The Fluoride ISE, a specialised sensor for fluoride readings, has been released by Metrohm with pleasure. The new sensor is perfect for measurements in small sample volumes because it integrates the measuring electrode, the reference electrode, and a temperature sensor in a space-saving design. The new sensor is offered in digital and analogue versions.
The Fluoride ISE has a ground-joint diaphragm with a wide surface area that allows for a continuous electrolyte outflow, lowering the possibility of a clogged diaphragm and ensuring steady signals and repeatable findings even in polluted samples.
The Fluoride ISE has an integrated temperature sensor to measure the temperature of both the calibration and the sample solution because temperature affects the potential in the sample solution.
