1.1.99.1	35	-	10 min, pH 8.3, 10% loss of activity	
1.1.99.1	37	-	10 min, pH 8.0-9.5, stable	
1.1.99.1	40	-	10 min, pH 8.3, 50% loss of activity	
1.1.99.1	50	-	10 min, pH 8.3, 100% loss of activity	
1.1.99.1	60	-	3 min, pH 7, 63% inactivation