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May 05, 1980 - Trace amount of organic compounds weighing as little as a few billionths of a gram have been automatically identified by a sophisticated analytical system invented at the General Electric Research and Development Center, Schenectady, N.Y. the GE system - which involves two gas chromatographs (at right), a mass spectrometer, and smart electronics - provides analytical chemists with an important new tool for pinpointing infinitesimal amounts of organic solids, liquids, and gases in samples. Inventors Dr. Woodfin V. Ligon (left) and Ralph T. May prepare to inject a liquid sample into the system. The GE innovation promises to speed the identification of air and water pollutants, chemical contaminants in food and industrial products, cancer-causing substances, and- in medicine - even certain regulatory hormones in body tissues
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