Description:
The nitrate selective electrode is a matrix membrane electrode with a solid contact. The flexible nitrate selective membrane is made from a special organic ion exchanger which is dissolved in an organic solvent and embedded in a PVC matrix.

Range:

1·10-5…1 mol/l, 0,4…60.000 mg/l

Slope:

57 ± 2 mV/p NO3-

Response Time:

< 30 s (in 62 mg/l NO3-- Solution)

Stability:

± 0,3 mV (30 min), ± 1 mV (24 h)

Interfering ions:

Cl-/ NO3-= 100
NO2-/ NO3-= 10
Ion/NO3Relation between interfering
and measure ions at 10 % error

pH:

3..10

Temperature:

0…40 °C

Resistance:

< 1 MΩ

Sensor:

oorganic ion exchanger in a special solvent,
homogeneously distributed in PVC

Shaft material:

Plastics (black)

Dimension:

Length: 145 mm
Diameter: 12 mm
Immersion depth: 120 mm

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