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Working standard solutions preparation
| Standard ID | Parent concn, μg/mL | Aliquot volume, mL | Final volume, mL | Concn, μg/mL |
|---|---|---|---|---|
| Working stock solution | 200 | 0.800 | 10 | 16.0 |
| 1 | 16.0 | 0.0625 | 25 | 0.0400 |
| 2 | 16.0 | 0.190 | 25 | 0.122 |
| 3 | 16.0 | 0.250 | 25 | 0.160 |
| 4 | 16.0 | 0.500 | 25 | 0.320 |
| 5 | 16.0 | 0.750 | 25 | 0.480 |
| 6 | 16.0 | 1.00 | 25 | 0.640 |
