Concentration (mg/mL)

Size of the zones (mm)

1 - 283.0 mg/mL

14.0 mm

2 - 141.5 mg/mL

12.0 mm

3 - 70.7 mg/mL

10.0 mm

4 - 35.3 mg/mL

8.0 mm

5 - 17.6 mg/mL

0.0 mm

6 - 8.8 mg/mL

0.0 mm