Methylene Chloride method (Dichloromethane or DCM): This method - TopicsExpress



          

Methylene Chloride method (Dichloromethane or DCM): This method extracts caffeine selectively at a low boiling point. In the extracting container the DCM is circulated around the water soaked coffee beans to extract the caffeine. The mixture of DCM and caffeine is then drained. This process is repeated several times until the residual caffeine content has reached the desired level of decaffeination. Article Source: EzineArticles/6315734
Posted on: Wed, 26 Jun 2013 04:16:23 +0000

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