The development of a flow-mJectlon system for pH determmation usmg a pH Ion-sensltwe field-effect transistor m conJunctlon Hnth a tubular flow-through nitrate Ion-selectwe electrode (ISE) as a reference electrode 1s descrtbed With this system, the hnear workmg range extends from pH 1 to 13 wth a sen
Nonlinear calibration of ion-selective electrode arrays for flow injection analysis
β Scribed by Forster, Robert J.; Diamond, Dermot.
- Book ID
- 121408575
- Publisher
- American Chemical Society
- Year
- 1992
- Tongue
- English
- Weight
- 995 KB
- Volume
- 64
- Category
- Article
- ISSN
- 0003-2700
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An ammonium detection system using ion-selective electrodes (ISEs) in flow-injection analysis (FIA) is described. Because of the low selectivity of the nonactin ammonium selective electrode toward some common ions, notably potassium, different selectivity enhancement techniques have been examined. A
Multicomponent batch-injection analysii is demonstrated for the first time using a multi-channel pipette and an array of three ion-selective electrodes. With this approach, simultaneous determhtation of species for which suitably selective sensors are available can be quickly and easily achieved. Th