1.18.1.3 0.5 - 5 d, 30% loss of activity 437842 1.18.1.3 21 - room temperature, 8 h, 50% loss of activity 437842 1.18.1.3 30 - 10 min, 42% loss of activity 746333 1.18.1.3 50 - 10 min, 98% loss of activity 746333