| Analyte |
Assay (spiking method) |
Assay in serum |
| Conc. |
%RSD |
% Rec |
%RSD |
%Rec |
| µgmL-1 |
| CAP |
8 |
0.01 |
101 |
0.002 |
101 |
| 10 |
0.33 |
100.04 |
0.02 |
102 |
| 12 |
0.02 |
99.97 |
0.03 |
101 |
| HCT |
8 |
0.01 |
100.5 |
0.002 |
100.3 |
| 10 |
0.3 |
100.02 |
0.002 |
101.3 |
| 12 |
0.3 |
99.98 |
0.02 |
100.3 |
| FRS |
8 |
0.22 |
99.3 |
0.5 |
100.2 |
| 10 |
0.2 |
99.98 |
0.36 |
100.6 |
| 12 |
1.03 |
99 |
0.9 |
101.3 |
CAP: captopril; HCT: hydrochlorothiazide; FRS: furosemide |