Description:
The iodide selective electrode is a solid state membrane electrode. The membrane consists of a robust highly compressed AgI/Ag2S sensor element embedded in a plastic shaft by means of a special resin. A silver contact layer is used for potential discharge.

Range:

1 ∙ 10-6…0,1 mol/l, 0,1…10.000 mg/l

Slope:

57 ± 2 mV/p I

Response Time:

< 30 s (in 127 mg/l l-Solution)

Stability:

± 0,3 mV (30 min), ± 1 mV (24 h)

Interfering ions:

Cl-/I-= 1.000.000
Br-/l-= 5.000
CN-/l-= 0,1
Ag+, Hg2+, Pb2+, Tl+(precipitates)
S2-(traces)
Ion/I-- Relation between interfering
and measure ions at 10 % error

pH:

2..14

Temperature:

0…50 °C

Resistance:

< 0,1 MΩ

Sensor:

AgI/Ag2S

Shaft material:

Plastics (black)

Dimension:

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

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