Molecular size

Distance in unit

Log of MW

Relative distance travelled (Rf)

8000

1.5

3.90

0.24

6000

1.7

3.77

0.27

5000

1.8

3.69

0.29

4000

2.1

3.60

0.34

3000

2.4

3.47

0.39

2500

2.5

3.39

0.40

2000

2.6

3.30

0.41

1500

2.9

3.17

0.47

1000

3.4

3.00

0.55

800

3.6

2.90

0.58

600

3.9

2.77

0.63

400

4.4

2.6

0.71

200

4.9

2.3

0.79