RPA06: Chromatography

Question 1

Aim

Answer 1

Investigate how paper chromatography can be used to separate and tell the difference between coloured substances

Question 2

Step one

Answer 2

Draw a horizontal pencil Line 2 cm from the short edge of the Chromatography paper

Question 3

Step two

Answer 3

Suspend paper Into 1 cm³ of water in beaker

Question 4

Step three

Answer 4

Remove paper when solvent has moved 3/4 of the way up the paper

Question 5

Step four

Answer 5

Calculate Rf value using:
Distance travelled by solvent/solvent front