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Go Direct™ Potassium Selective Electrode

Item #: TC1640

Price: $239.00

In Stock.

Go Direct™ Potassium Selective Electrode measures the concentration of potassium ions in aqueous solutions.

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This item can only be shipped to schools, museums and science centers

Product Details

For use in measuring the concentration of potassium ions in aqueous solutions, Go Direct™ Potassium 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 K+ solutions and a short-term soaking bottle.

Specifications

Range: ±1000 mV; 1 to 39,000 mg/L (ppm)
Accuracy: ±10% of full scale (calibrated 10 to 1000 mg/L)
Interfering ions: Cs+, NH4+, H+, Ag+, Li+, Na+
pH range: 2–12
Temperature range: 0–40 °C
Electrode slope: 56 ±3 mV/decade at 25 °C
Electrode resistance: 100 to 200 kΩ
Minimum sample: Submerged 2.8 cm