What is the PH of a Halamid solution?

0

pH measured in a solution at 22 °C :

concentration (%)

pH at 22oC

10

9.38

5

9.03

1

7.68

0.5

7.46

0.1

7.27

0.05

7.27

0.01

7.27

0.005

7.28

0.001

7.28

Water

7.27