2. History of chromatography 溶剂 1906 Russian botanist Michail Tswett Calcium carbonate 剧碳酸钙 Extracts of leaf pigments色素 A色谐带 Chlorophylls叶绿素 Xanthophylls叶黄素 Spirilloxanthin螺旋黄质2. History of chromatography 1906, Russian botanist Michail Tswett Calcium carbonate Extracts of leaf pigments 色素 Chlorophylls 叶绿素 Xanthophylls 叶黄素 Spirilloxanthin 螺旋黄质