$HIGH High Performance Liquid Chromatography (HPLC) is an analytical chemistry technique used to separate and identify the components of a mixture ¹. The term "chromatography" means "color writing" and was first used by botanist M. S. Tswett in 1900 to study leaf pigments ¹. HPLC is a development from this separation, with improvements in separation efficiency, versatility and speed ¹.#highusd #Megadrop