Human urine samples
Added(M) Found(M) *Recovery (%) RSD%
DPM/MPM DPM MPM DPM MPM DPM MPM
2.5 × 10−7 2.48 × 10−7 2.43 × 10−7 99.65 98.80 2.45 3.52
4.5 × 10-5 4.42 ×10-5 4.35 × 10-5 98.20 97.75 2.85 3.74
1.2 × 10-4 0.97 × 10-4 0.93 × 10-4 97.30 96.70 3.10 4.10
Human serum samples
2.5 × 10−7 2.45 × 10−7 2.40 ×10−7 98.45 98.30 2.52 3.63
4.5 ×10-5 4.35 × 10-5 4.25 ×10-5 97.67 97.60 3.10 3.85
1.2 ×10-4 0.94 ×10-4 0.87 ×10-4 96.90 96.50 3.60 4.25
*Average of five determinations
Table 1: Determination of DPM and MPM.
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