Urease solution:
4.25 suspend 0.5 g of active urease in 100 ml of distilled water.
Using 0.1 N hydrochloric acid (4.24), adjust the pH to 5.4, measured by a pH meter.
4.25 suspend 0.5 g of active urease in 100 ml of distilled water.
Using 0.1 N hydrochloric acid (4.24), adjust the pH to 5.4, measured by a pH meter.