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Abstract

An analytical system for analyzing a liquid sample includes structure defining an analysis region with an inlet and an outlet, a polychromator system disposed in sensing relation to the analysis region, structure defining a sample inlet port, and structure connecting the sample inlet port to the inlet of the analysis region. The analysis region includes sample excitation apparatus with a pair of spaced metal electrodes, one of the electrodes having an upper surface in spaced juxtaposition to the other electrode and passage structure connected to the inlet of the analysis region. The one metal electrode is disposed with the passage structure extending to an outlet port in the upper surface, and structure in the upper surface defines a plurality of channels extending away from the outlet port of the passage structure for discharge of excess quantities of a liquid sample to be analyzed flowed through the passage structure. Control structure flows a sample to be analyzed from the sample inlet port through the analysis region, and output structure coupled to the analysis region provides output data as a function of the output of the polychromator system.

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