摘要：

A method for effector accurate and reproducible analytical evaluation of a solution, eliminating the need to use a reference sensor to determine the activity of selected species using species specific sensors (16, 18) and sensors combustion of species (20, 22) in combination with equations of the type of Nernst. Are also provided sensor structures used to eliminate edge effects on the signals, so as to allow to make accurate and reproducible measurements, and a cartridge incorporating a network structure of these new sensors for the purposes of this new process, the cartridge lends itself particularly well to miniaturization, maintenance of a fixed volume of solution for analysis and an anaerobic testing environment. Also described is a miniaturized compact instrument designed specifically for use in the field and using the aforementioned cartridge.

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