Parameters | Column (A) | Column (B) | ||||
---|---|---|---|---|---|---|
Concentration (ng/mL) | Concentration (ng/mL) | |||||
30 | 70 | 150 | 30 | 70 | 150 | |
Intraday | ||||||
% Found | 98.69 | 99.41 | 99.82 | 99.47 | 99.77 | 99.93 |
103.37 | 101.32 | 100.28 | 100.54 | 99.53 | 100.10 | |
100.70 | 99.55 | 100.05 | 100.84 | 99.95 | 100.08 | |
(\( \overline{{\text{x}}} \)) | 100.92 | 100.09 | 100.05 | 100.28 | 99.75 | 100.04 |
± SD | 2.35 | 1.07 | 0.23 | 0.72 | 0.21 | 0.09 |
%RSD | 2.33 | 1.06 | 0.23 | 0.72 | 0.21 | 0.09 |
%Error | 1.34 | 0.61 | 0.13 | 0.42 | 0.12 | 0.05 |
Inter-day | ||||||
% Found | 100.34 | 99.79 | 99.86 | 103.21 | 97.25 | 100.68 |
100.35 | 99.96 | 100.01 | 97.48 | 95.95 | 99.91 | |
100.38 | 99.77 | 99.98 | 98.07 | 98.73 | 99.75 | |
(\( \overline{{\text{x}}} \)) | 100.36 | 99.84 | 99.95 | 99.59 | 97.31 | 100.11 |
± SD | 0.02 | 0.10 | 0.08 | 3.15 | 1.39 | 0.50 |
%RSD | 0.02 | 0.10 | 0.08 | 3.17 | 1.43 | 0.50 |
%Error | 0.01 | 0.06 | 0.05 | 1.83 | 0.83 | 0.29 |