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Vernier Vernier Calcium Ion-Selective Electrode (ISE)

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Includes
Vernier Calcium Ion-Selective Electrode, 30mL bottle of Calcium Low Standard (10mg/L), 30mL bottle of Calcium High Standard (1000mg/L), Short-term ISE soaking bottle, User manual
- Combination-style, non-refillable, gel-filled electrode
- Data from ISE gives good indication of hardness of water (as Ca2+)
- Used as endpoint indicator in EDTA-Ca/Mg hardwater titrations
- Compatible with LabQuest™ 2, Original LabQuest, LabQuest Mini, Go!Link™, SensorDAQ™, LabPro™, EasyLink™, TI-Nspire Lab Cradle™ interfaces
- Interfering Ions: Pb2+, Hg2+, Sr2+, Cu2+, Ni2+
- Electrode Resistance: 1 to 4MOhms
- Electrode Slope (log voltage vs. concentration): +28 mV/decade
- Minimum 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.
Specifications
Temperature (Metric) Operating
0°C to 50°C
Diameter (Metric) Body
12 mm
Diameter (Metric) Cap
16 mm
Length (English) Body
6.1 in.
Length (English) Cable
39.3 in.
Length (Metric) Body
155 mm
Length (Metric) Cable
100 cm
pH Range
3 to 10
Concentration Measurement Range
1 to 40,000mg/L
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