Time F1 F2 F3 F4 F5
1 38 43 39 22 20
2 46 49 50 36 30
3 53 59 62 47 40
4 60 64 72 56 49
6 75 77 85 70 64
8 86 82 92 79 75
12 93 98 99 88 89
16 100 97 98 91 96
20 100 100 100 93 100
Hardness (Kp) 13-15 13-14 13-14 8-9 12-13
Floating Lag time 1 hr 30 min <30 sec <30 sec <30 sec
Total Buoyancy time 8 h 4 hr 20 hr 20 hr 20 hr
Table 8: Hardness and in vitro parameters in 0.1 N HCl/500 mL, USP-1/RPM-100, of formulations F1 to F5.
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