EARLIER investigations in this Institute 1 have shown that substances like dyestuffs and some proteins show a very marked increase of adsorption on to filter paper and other adsorbents in presence ...

One way they can do this is to use a process called chromatography. In the activity below, you can try chromatography to separate colors in a mixture of food coloring! Place a coffee filter on a tray ...

There is filter paper in a filter funnel above another ... For example, pure ethanol boils at 78°C and pure water boils at 100°C. Paper chromatography is a method for separating dissolved ...