On-line spectroscopic monitoring of metal ions for environmental and space applications using photodiode array spectrometry

Kenneth J. Schlager

doi:10.1117/12.22118

1 December 1990 On-line spectroscopic monitoring of metal ions for environmental and space applications using photodiode array spectrometry

Kenneth J. Schlager

Author Affiliations +

Proceedings Volume 1318, Optical Spectroscopic Instrumentation and Techniques for the 1990s: Applications in Astronomy, Chemistry, and Physics; (1990) https://doi.org/10.1117/12.22118
Event: Optical Spectroscopic Instrumentation and Techniques for the 1990s: Applications in Astronomy, Chemistry, and Physics, 1990, Las Cruces, NM, United States

Abstract

A photodiode-array spectrometry characterized by fast data acquisition, simultaneous readings at multiple wavelengths, reproducibility, a wide dynamic range, and enhanced accuracy due to a low instrument drift is considered for on-line real-time monitoring of the trace levels of metal ions in water solutions for environmental, power plant, and space applications. An experimental application for NASA's Controlled Ecological Life Support System is outlined along with nuclear-plant monitoring applications. Steps involved in the developing of an algorithm for on-line multicomponent analyses in absorption spectrometry are presented, and a photodiode-array spectrometer used in the described experimental investigations is detailed.

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Kenneth J. Schlager "On-line spectroscopic monitoring of metal ions for environmental and space applications using photodiode array spectrometry", Proc. SPIE 1318, Optical Spectroscopic Instrumentation and Techniques for the 1990s: Applications in Astronomy, Chemistry, and Physics, (1 December 1990); https://doi.org/10.1117/12.22118

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