Table 2 Evaluation of intermediate precision-2 of the developed method
No. of observations | Weight of the sample (nitrate equivalent ) mg/100 ml | Resulted in quantity (mg/100 ml) | Recovery of the sample (%) | Average (%) | SD (%) | RSD (%) |
|---|---|---|---|---|---|---|
1 | 10.00 | 9.939 | 99.391 | Â | Â | Â |
2 | 10.10 | 9.998 | 98.992 | Â | Â | Â |
3 | 10.00 | 9.977 | 99.766 | 99.4562 | 0.3227 | 0.3245 |
4 | 10.00 | 9.979 | 99.793 | Â | Â | Â |
5 | 10.00 | 9.960 | 99.603 | Â | Â | Â |
6 | 10.10 | 10.018 | 99.192 | Â | Â | Â |