Abstract
Abstract Ultramicroelectrode arrays have been applied for monitoring the disinfectant hydrogen peroxide in swimming pool water. The sensors were manufactured using silicon thin-film technology. Each consisted of nine miniaturized platinum working electrodes connected in parallel. A platinum counter electrode and a silver/silver chloride reference electrode completed the measuring setup. The ultramicroelectrode arrays were characterized by cyclic voltammetry and chrono amperometry. The sensor properties could be improved and the interfering influence of the swimming pool water matrix was reduced by covering the working electrodes of the arrays with NAFION™ membranes. A comparison of the introduced chrono amperometric method using the ultramicroelectrode array with the German standard method (DIN) for the hydrogen peroxide determination showed that the accuracy of the NAFION™ coated sensors is suitable for monitoring and controlling the hydrogen peroxide concentration in swimming pool waters.
Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
