The Vespiary

The Hive => Chemicals & Equipment => Topic started by: comus on March 17, 2003, 06:39:00 AM

Title: Norephedrine extraction
Post by: comus on March 17, 2003, 06:39:00 AM

I haven't had a Merk Index for over a week so I am here asking, what solvents are needed to separate norephedrine HCl from yohimbine HCl and caffeine?

Title: I don't think a solvent extraction will be...
Post by: Rhodium on March 18, 2003, 12:59:00 AM

I don't think a solvent extraction will be enough for that, if the norephedrine is present to a much greater extent than the other ingredients, maybe repeated recrystallizations will help.