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Piperine Recrystallization. Meyer Reagent. The Alkaloid Test.

Fig 1 Starting Reagents and Materials 10 g piperine on filters 250-300 ml EtOH 88% 50 ml EtOH 40% Beakers Filter paper Funnel Heater Piperine Recrystallization Piperine is scraped into a glass Fig 2 Fig 2 Ethanol is added to piperine at heating to 40-50℃ Fig 3 Fig 3 Ethanol should...