What method is used to separate dyes in black ink
Asked by admin @ in Chemistry viewed by 299 People
How will you separate dyes in black ink using chromatography? explain it with the help of diagram?
Answered by admin @
Method:
1.Take a thin strip of filter paper.
2.Draw a line on it using a pencil approx. 3 cm above the lower edge.
3.Put a small drop of ink with help of a pen at centre of line and let it dry.
4.Lower the filter paper into a glass jar containing water in such a way that the ink's drop remains just above the water level. Leave it undisturbed.
5.Water rises up in the filter paper. Ink drop splits up into its constituents.
Conclusion:Dye in black ink is a mixture of 2 or 3 colours. The coloured component that is more soluble in water rises faster and in this way the colours get separated.
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