Chromatography, ,aumsum

Our topic for today is Chromatography. Does black ink consist of only black color or any other color as well Let us find out by the process of paper chromatography. Chromatography is a technique of separating two or more dissolved solids which are present in a solution in very small quantities. Take a strip of filter paper. Draw a line with a pencil close to the lower edge of the paper. Put a small drop of ink on the center of the line. Let it dry for sometime. Take a jar containing some water. Put the fil