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Analyte concentrations in fastpatches
| n | Mean nanograms per millileter of patch eluate |
Standard deviation |
|
|---|---|---|---|
| (a) Concentrations calculated on all patches | |||
| Cocaine | 180 | 1623 | 5283 |
| Benzoylecgonine (BE) | 178 | 155 | 626 |
| Anhydroecgonine methylester (AEME) | 179 | 106 | 348 |
| Ecgonidine (ECD) | 179 | 4 | 24 |
| (b) Concentrations calculated on positive patches with non-zero analyte values | |||
| Cocaine | 170 | 1718 | 5422 |
| Benzoylecgonine (BE) | 111 | 248 | 780 |
| Anhydroecgonine methylester (AEME) | 103 | 184 | 443 |
| Ecgonidine (ECD) | 29 | 26 | 55 |
