HI-4005-40 Carbon Dioxide Filling Solution
HI-4005-40
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).
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.
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