+44 (0)1525 850 855
Order before 4pm for same day dispatch Weekdays only
Hanna Instruments UK Carbon Dioxide Filling Solution


HI-4005-40 is a set of 4 x 30 mL bottles of chloride ion-containing fill solution made specifically for Hanna’s carbon dioxide gas sensing Ion Selective Electrodes (ISEs).

4 x 30ml bottles

£134.10 (exc.VAT)
£160.92 (tax incl.)
Order now for 2 weeks delivery
Full Description

The electrolyte solution should be added to the outer probe body of the HI-4105 ISE before final assembly to ensure optimum performance.

The way it works - As carbon dioxide diffuses through the gas permeable membrane, the thin film of electrolyte on the surface of the pH sensing glass undergoes a pH change. The change in pH of the filling solution is proportional to the concentration of carbon dioxide gas in the solution.

Read More