Time (hr)/Batches

E₁

E₂

E₃

E₄

C₁

C₂

C₃

C₄

t₅₀

2.1

3.3

2.7

3.5

3.4

4.0

2.5

3.6

t₉₀

7.0

6.2

6.7

6.7

7.7

7.2

6.3

7.1