Chromatography

Chromatography

Aim: To separate colours by using the process of chromatography.

Definition: A technique for separating the different parts of a mixture / solid using liquid.

Rainbow Paper

Materials:

1. Cup

2. Chromatography paper 

3. Black felt 

4. Green felt

5. Red felt

6. Water

7. Ruler

Process: 

Step 1: Get a piece of the Chromatography paper  

Step 2: With your ruler rule 2 cm and line it up with a black felt.

  

Step 3: After that fold it up to the black line. 

Step 4: Then on the other side of the Chromatography paper rule out 1 cm and there take your black felt and make a dot.

Step 5: Then take you green felt and make a dot beside it leave some spaces. 

Step 6: After that take you red felt and make a dot beside it leaving some spaces. ⬆️ 

Step 7: Place the Chromatography paper into the a cup. Like this. 

Step 8: Add the water into the cup. When you add the water you make it just touch the Chromatography paper.               

Here is a photo of it at the end of the experiment. 

Findings: After leaving it in the water for five minutes the colour of the ink blinded and it reminded me of a sunset.    

Reflection: Maybe next time I should try another could and see what happens. But I think I should add more colours.