Volume of ammonia (mL)

pH of growth solution

Quantity of NH₃ (mmol)

2

10.38

26.6 - 29.6

2.5

10.59

33.3 - 37.0

3

10.73

40.0 - 44.4

3.5

10.84

46.7 - 51.8

4

10.88

53.3 - 59.2