Description
The Potassium Ion-Selective Electrode can be used to measure the concentration of potassium (K+) ions in aqueous solutions.
Specifications (Source: Vernier.com)
- Range (concentration): 1 to 39,000 mg/L (or ppm)
- Reproducibility (precision): ±11% of full scale (calibrated 10 to 1000 mg/L)
- Interfering ions: Rb2+, Cs2+, NH4+, Ca2+, Mg2+, Li+
- pH range: 2–12 (no pH compensation)
- Temperature range: 0–40°C (no temperature compensation)
- Electrode slope: +56 ±4 mV/decade at 25°C
- Electrode resistance: 1–10 MΩ
- Immersion: 2.8 cm
- Electrode length: 155 mm
- Body diameter: 12 mm
- Cap diameter: 16 mm
- Cable length: 100 cm
