Description:
The potassium selective electrode is a matrix membrane electrode with a fluid contact. The flexible potassium selective membrane is made from a special ion exchanger who is dissolved in an organic solvent and embedded into a PVC matrix.
Range: |
1·10-5…1 mol/l, 0,4 …39.100 mg/l |
Slope: |
57 ± 2 mV/p K+ |
Response Time: |
< 30 s (in 39 mg/l K+- Solution) |
Stability: |
± 0,5 mV (30 min), ± 1 mV (24 h) |
Interfering ions: |
Na+/K+= 1.000 |
pH: |
> 2 |
Temperature: |
0…40 °C |
Resistance: |
~ 1 MΩ |
Sensor: |
organic ion exchanger in a special solvent, |
Shaft material: |
Plastics (black) |
Dimension: |
Length: 145 mm |