Table 4.
Recovery percentages and relative standard deviation (%) for spiked in digested omeprazole drug samples (Om1 – Om7) by ICP-MS (n = 3).
| Isotope | Omeprazole drug samples |
||||||
|---|---|---|---|---|---|---|---|
| Om1 | Om2 | Om3 | Om4 | Om5 | Om6 | Om7 | |
| 7Li | 94 (1) | 93.1 (0.5) | 98.2 (0.5) | 101 (1) | 107.2 (0.1) | 115 (1) | 119 (4) |
| 51V | 70 (6) | 82 (1) | 84.5 (0.7) | 90 (2) | 93.9 (0.9) | 112 (3) | 115 (3) |
| 52Cr | 95.5 (0.4) | 107 (3) | 102.5 (0.4) | 102 (8) | 105 (1) | 102 (4) | 115 (4) |
| 58Ni | 92 (1) | 96.5 (0.3) | 100.5 (0.9) | 103 (5) | 110 (2) | 111 (4) | 119 (5) |
| 59Co | 92 (1) | 93.5 (0.2) | 97 (3) | 101 (1) | 106.0 (0.1) | 108 (6) | 112 (5) |
| 63Cu | 89 (1) | 100 (1) | 99.8 (0.4) | 106 (6) | 108 (6) | 110 (1) | 112 (3) |
| 75As | 95 (9) | 92 (1) | 95 (2) | 102 (7) | 113.5 (0.2) | 111 (5) | 118 (5) |
| 78Se | 119 (3) | 86 (4) | 92 (2) | 100 (2) | 122.2 (0.1) | 122 (9) | 93 (3) |
| 98Mo | 99 (1) | 100.1 (0.3) | 102.5 (0.3) | 106 (2) | 110 (4) | 119.0 (0.8) | 127 (4) |
| 102Ru | 91.5 (0.5) | 90.0 (0.2) | 92.5 (0.8) | 97.0 (0.1) | 103.1 (0.5) | 109 (3) | 114 (3) |
| 103Rh | 91.6 (0.5) | 91 (4) | 93.1 (0.8) | 97.5 (0.8) | 102 (1) | 112 (1) | 116 (4) |
| 107Ag | 94.5 (0.1) | 84 (4) | 72 (6) | 108 (2) | 118.0 (0.1) | 112.0 (0.4) | 116 (4) |
| 108Pd | 94 (1) | 84 (4) | 71 (7) | 107 (3) | 118.1 (0.9) | 124 (7) | 110 (4) |
| 111Cd | 97.5 (0.1) | 95.1 (0.5) | 100 (2) | 105 (4) | 111 (2) | 115 (3) | 118 (2) |
| 120Sn | 91 (3) | 90 (4) | 89.1 (0.5) | 99 (2) | 94 (2) | 111 (2) | 116 (4) |
| 123Sb | 99 (1) | 97.3 (0.3) | 99.8 (0.8) | 106 (2) | 110 (2) | 100 (9) | 117 (4) |
| 138Ba | 91 (1) | 91.7 (0.6) | 94.5 (0.5) | 98 (3) | 102 (2) | 107 (5) | 117 (3) |
| 193Ir | 96 (5) | 88 (1) | 92 (5) | 97 (7) | 101.5 (0.9) | 114 (7) | 115 (1) |
| 195Pt | 88.5 (0.6) | 93 (2) | 97 (1) | 102 (1) | 105 (1) | 108 (8) | 114 (3) |
| 197Au | 99 (1) | 86.4 (0.5) | 94.5 (0.6) | 114 (2) | 111 (2) | 103 (7) | 113 (2) |
| 202Hg | 98.0 (0.4) | 92 (2) | 100 (1) | 114.0 (0.2) | 117.5 (0.5) | 108 (2) | 97 (3) |
| 205Tl | 99.2 (0.4) | 77 (7) | 81 (1) | 86 (1) | 90 (1) | 96 (1) | 112 (4) |
| 208Pb | 87 (2) | 92 (2) | 92 (0.5) | 93 (5) | 102 (3) | 113 (4) | 109 (3) |