{HEAD ~ All} of {TAIL ~ the successful extractive distillation agents} show that isopropyl acetate, isopropanol and water can be separated from their ternary azeotrope by means of distillation in a rectification column and that the ease of separation as measured by relative volatility is considerable 
{ HEAD ~ All } of { TAIL ~ the successful extractive distillation agents } show that isopropyl acetate , isopropanol and water can be separated from their ternary azeotrope by means of distillation in a rectification column and that the ease of separation as measured by relative volatility is considerable
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