Calcium Ion-Selective Electrode (ISE), Used to measure concentration of Calcium (Ca2 ) in aqueous samples, Each

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Combination-style, non-refillable, gel-filled electrodeData from ISE gives good indication of hardness of water (as Ca2 )Used as endpoint indicator in EDTA-Ca/Mg hardwater titrationsCompatible with LabQuest™ 2, Original LabQuest, LabQuest Mini, Go!Link™, SensorDAQ™, LabPro™, EasyLink™, TI-Nspire Lab Cradle™ interfacesInterfering Ions: Pb2 , Hg2 , Sr2 , Cu2 , Ni2 Electrode Resistance: 1 to 4MOhmsElectrode Slope (log voltage vs. concentration): 28 mV/decadeMinimum immersion: 1.1 in.Ion-Selective Electrodes require good chemical technique and careful calibration to obtain accurate results; they are not recommended for middle school or elementary students.