Word: spectrogram
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Dates: during 1960-1969
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...Durovic surrendered a sampling of Krebiozen to FDA agents last July, and at once chemists began systematic analysis with an infrared spectroscope. After the complex spectrogram was compared with that of thousands of other organic compounds, the pattern of Krebiozen was found to match that of creatine. Ironically, Krebiozen is much easier to produce than Dr. Durovic may realize; he uses benzene, in which creatine is highly insoluble, for extraction. Using plain water as a solvent for the process, he might get several hundred times more amino acid derivative from each horse...