Materials required for theexperiment:

• Whatsman filter paper

• Glass jar

• 橡胶软木钩在中心

• Test tubes

• 1-2% solution of Pb(NO₃)₂and Cd(NO₃)₃

• Ethanol

• 6 M HNO₃

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Hazards:

• Flammable: Ethanol

• Toxic: Lead nitrate and cadmium nitrate

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References:

• NCERT Chromatography handbook