K kingblc Greenlighter Joined Mar 30, 2008 Messages 1 Oct 15, 2010 #1 I have some robotussin AC, so it has the codeine and guaifenesin. Can I freeze it to separate the 2 compounds? Or is there any other way to separate them?
I have some robotussin AC, so it has the codeine and guaifenesin. Can I freeze it to separate the 2 compounds? Or is there any other way to separate them?