Calcium Ion-Selective Electrode

Specifications (Source: Vernier.com)

• Range (concentration): 1 to 40,000 mg/L (or ppm)
• Reproducibility (precision): ± 10% of full scale (calibrated 10 to 1000 mg)
• Interfering Ions: Pb²⁺, Hg²⁺, Si²⁺, Fe²⁺, Cu²⁺, Ni²⁺, NH₃, Na⁺, Tris⁺, Li⁺, K⁺, Ba²⁺, Zn²⁺, Mg²⁺
• pH Range (concentration): 2–8 (no temperature compensation)
• Electrode Slope: +26 mV/decade at 25°C
• Electrode Resistance: 100 MΩ
• Immersion: 2.8 cm (1.1 in)
• Electrode length 155 mm
• Body diameter: 12 mm
• Cap diameter: 16 mm
• Cable length: 100 cm