A novel method of separation , extraction with supercritical gases, was the topic of a symposium held at Essen in June of this year. The present issue of Angewandte Chemie International Edition contains all the papers read at this symposium, and thus provides first‐hand information about the state of the art. An industrial plant for decaffeination of green coffee beans with supercritical CO 2 will shortly be coming on stream.
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Günther Wilke (1978) studied this question.
Synapse has enriched 3 closely related papers on similar clinical questions. Consider them for comparative context: