| Burchard, H | <person> 19th century German chemist. See: Burchard-Liebermann reaction, Liebermann-Burchard test. (05 Mar 2000) |
|---|---|
| Burchard-Liebermann reaction | A blue-green colour produced by acetic anhydride with cholesterol (and other sterols) dissolved in chloroform, when a few drops of concentrated sulfuric acid are added. See: Liebermann-Burchard test. (05 Mar 2000) |
| Liebermann-Burchard test | A colourimetric test for unsaturated sterols, notably cholesterol; a blue-green colour develops when such substances are added to acetic anhydride and sulfuric acid in chloroform. (05 Mar 2000) |
|---|