Thursday, 24 June 2021

Rainbow paper

aim: to separate colours by using the processing of chromatography

Definition: chromatography is a method of separating out materials from a mixture using liquid 

Materials:

1. boiling tube

2. pen marker

3. Water

4.: filter paper

5. scissors.

6. Test tube stand 

7.Ruler

8. pencil

Process

Step 1. Cut up fliter paper into strips ready to write on with felt pens

Step 2. Rule a line 1cm from the bottom of the paper strip

Step 3. put 8ml of water into the bottom of the boling tube

Step 4. Draw two coloured pen dots on the pencil line

Step 5. Drop paper strip into the boling tube and once its touching the bottom of the water you can crease the top of the paper over.

defntions:

caplillary :

Flitter paper:

solvent:



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