6.3.2.61	20	-	pH 8.7, 1 h, 50% loss of activity. Not significant loss of activity within 3 h of incubation at pH 6.8	749873	
6.3.2.61	30	-	pH 8.7, 1 h, 75% loss of activity. No significant loss of activity within 3 h of incubation at pH 6.8	749873