Steve Spangler (Video) on MSN21 天
DIY Sci: Chromatography
Steve Spangler reveals the secrets of color, with amazing experiments you can do at home. He’ll show you how to create clouds ...
Sequential extraction of carnosic acid, rosmarinic acid and pigments (carotenoids and chlorophylls) from Rosemary by online supercritical fluid extraction-supercritical fluid chromatography.