Overcoming difficulties in ion measurement – Tips for standard addition and direct measurement
This free white paper gives useful tips for potentiometric ion measurement using ion-selective electrodes (ISE). The following ions can be measured using ISE: Ag+, Cu2+, Pb2+, Br-, Cl-, CN-, F-, I-, S2-, Ca2+, K+, Na+, NO3-, Na+, H+, NH4+.
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This white paper gives general hints for maximizing reliability and performance of ion-selective electrodes (i.e., correct conditioning, cleaning, storage, and much more), details on the two existing measuring modes (i.e., standard addition and direct measurement), and discusses advantages and disadvantages of each measuring mode.