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tested demonstrations Ammonia Fountain and Density Gradient Column Miroslav Proksa Cornenius University 842 15 Bratislava. Slovakia
The chemical e x ~ e r i m e n tusuallv called "Ammonia Fountain" can be f o k d in many older (1) and also newer (2-4) textbooks of chemistry I t is mentioned, too, in a n article 15 recommending it.
