Tech Note 451 Detail

SPECS - CO2 Electrode

Affected Products:

CI-6726 CO2 Ion Selective Probe

Problem/Symptom:
What are the specifications for the CO2 electrode?

PASCO Solution:
  • Trasduction: 55 + / - 3 mV/decade
  • Reproducability: + / - 2%
  • Interferences: Volatile weak acids
  • Complexation: Heavy metals
  • Temperature Range: 0 to 50° C (if calibrated at that temperature)
  • Pressure Range: 0 to 10 psi
  • Response Time: 95% response in 30 seconds
  • STORAGE
    • Long term: store dry
    • Short term: store in carbon dioxide standard with ISA added
  • Concentration Range: 10-4 to 10-2M 4.4 ppm to 440 ppm
  • pH Range: 4.8 to 5.2 pH
  • Resistance: 1000 to 1500 megaohms
  • Care
  • Treat with dilute carbon dioxide standard with pH adjusted to 4.8 - 5.2 Replace membrane as needed
  • Temperature Compensation?: No
  • Typical Applications:Measure Root Beer Fermentation

Creation Date: 10/30/2003
Last Modified: 12/4/2003
Mod Summary: