Active Drugs Nominal Concentration (µg /ml) Day 1 Day 2 Day 3 Mean Inter-Day RSD%
DBPN 400 99.74% 100.38% 98.86% 99.66% 0.765
500 100.65% 100.96% 100.00% 100.53% 0.487
600 101.57% 98.95% 99.51% 100.01% 1.380
Mean 100.65% 100.09% 99.46% 100.07%  
Intra-Day RSD% 0.91 1.03 0.58 0.44
SBZ 10 100.78% 99.65% 99.74% 100.06% 0.628
12.5 99.74% 100.38% 98.86% 99.66% 0.765
15 101.21% 98.30% 99.71% 99.74% 1.459
Mean 100.58% 99.44% 99.44% 99.82%  
Intra-Day RSD% 0.75 1.06 0.50 0.21
MP 4 99.44% 100.83% 99.50% 99.92% 0.786
5 100.28% 99.92% 98.99% 99.73% 0.664
6 101.15% 100.70% 98.39% 100.08% 1.480
Mean 100.29% 100.48% 98.96% 99.91%  
Intra-Day RSD% 0.85 0.49 0.56 0.18
PP 2 99.65% 99.81% 100.98% 100.15% 0.725
2.5 98.56% 101.24% 100.62% 100.14% 1.401
3 99.98% 100.54% 98.40% 99.64% 1.114
Mean 99.40% 100.53% 100.00% 99.97%  
Intra-Day RSD% 0.75 0.71 1.40 0.29
Table 2: Inter-day and intra-day precision and recovery studies.