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A silicon target vidicon tube has been coupled to an echelle grating spectrometer lor simultaneous multielement determinations by atomic absorption. A minicomputer is Interfaced to the vidicon detector to implement random access interrogation of selected detector elements and Is used for data processing and display. The resolution capabilities of the system are assessed for the spectral region from 3000 to 7000 A. An In-depth study of the parameters affecting the random access signal and detector linearity is presented. Quantitative data are reported for simultaneous multielement determinations In synthetic solutions using atomic absorption spectrometry.

Silicon target vidicon and image dissector camera systems have been coupled to an echelle grating spectrometer for multielement determinations with a dc plasma excitation source.

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