Item #: TC1644
Go Direct™ Calcium Selective Electrode measures the concentration of calcium ions in aqueous solutions.
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This item can only be shipped to schools, museums and science centers
For use in measuring the concentration of calcium ions in aqueous solutions, Go Direct™ Calcium Selective Electrode connects by Bluetooth® wireless technology and USB to a computer, Chromebook, phone, tablet or LabQuest 2. Includes software as well as a Go Direct Amplifier, micro USB cable, 30 mL bottles of high- and low-standard Ca2+ solutions, polishing strips and a short-term soaking bottle.
Range: ±1000 mV; 1 to 40,000 mg/L (ppm)
Accuracy: ±10% of full scale (calibrated 10 to 1000 mg/L)
Interfering ions: Pb2+, Hg2+, Si2+, Cu2+, Ni2+, NH3, Na+, Li+, K+, Ba2+, Zn2+, Mg2+
pH range: 2–8 Temperature range: 0–40 °C Electrode slope: 26 ±2 mV/decade at 25 °C Electrode resistance: 100 MΩ Minimum sample: Submerged 2.8 cm