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Mettler-Toledo Online 

Ion selective, gas-sensitive electrodes

Modular half cell with exchangeable diaphragm and S-7 plug head for determining the concentration of individual ions in aqueous solutions. Easy to use and require comparatively low expenditure on apparatus thereby offering advantages over wet chemistry and instrument analysis methods. Ion selective electrodes must be used in conjunction with a suitable reference electrode (InLab® Reference, cat no. 9.041 590 or InLab® Reference Plus, cat no. 9.041 591).
Connection plug:S7 plug head
Shaft Ø:12 mm
Shaft length:120 mm
Ion selective, gas-sensitive electrodes


Ion selective, gas-sensitive electrodes
TypeIon concentration (ISE)TemperatureMembranePKCat. No. 
DX280-Br10-6 ... 1 mol/l Br0 ... 80 °CSolid state19041721
DX235-Cl10-5 ... 1 mol/l Cl0 ... 80 °CSolid state19041723
DX219-F5 x 10-7 ... 1 mol/l F0 ... 80 °CSolid state19041725
DX240-Ca10-6 ... 1 mol/l Ca0 ... 50 °CPolymer19041730
DX239-K10-6 ... 1 mol/l K0 ... 50 °CPolymer19041731
DX262-NO33 x 10-5 ... 1 mol/l NO30 ... 50 °CPolymer19041732
DX218-NH44 x 10-7 ... 1 mol/l NH40 ... 50 °CPolymer19041733
DX264-Cu10-5 ... 1 mol/l Cu0 ... 80 °CSolid state19041736
DX223-Na10-7 ... 1 mol/l Na0 ... 80 °CGlass19041735
GSE NH310-6 ... 5 x 10-2 mol/l NH30 ... 50 °CPolymer19041745
Accessories:
pH reference electrodes InLab Reference / Mettler-Toledo Online