Description:
The fluoride selective electrode is a solid state membrane electrode with a fluid contact. The membrane consists of a LaF3 mono crystal embedded in a plastic shaft by means of a special resin.

Range:

1·10-6…1 mol/l, 0,02…20.000 mg/l

Slope:

57 ± 2 mV/p F-

Response Time:

< 30 s (in 19 mg/l F-Solution)

Stability:

± 0,3 mV (30 min), ± 1 mV (24 h)

Interfering ions:

OH-(pH > 8)
Formation of HF and HF2-(pH < 5)
Ion/FRelation between interfering
and measure ions at 10 % error

pH:

5..8

Temperature:

0…40 °C

Resistance:

< 0,1 MΩ

Sensor:

LaF3Einkristall

Shaft material:

Plastics (black)

Dimension:

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

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