A silicon-intensified vidicon target tube coupled to an optical multichannel analyzer has been evaluated as a detector system for inductively coupled plasma emission spectrometer. The silicon-intensified target detector was combined with a relatively high resolution monochromator to provide a simultaneous spectral monitoring capability over a 5 nm range. The detection limits obtained for 27 elements were at the nanograms per milliliter level in many cases. The detection limit data are compared to those of flame emission spectrometry using the same instrumental system, and also to those obtained by a commercial direct reading inductively coupled plasma system which utilizes photomultiplier detection.

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