1.0 mL original AM standard solution (1000 μg/mL) diluted to 10 mL with D/L. [AM] = 100μg/mL -A 2.0 mL A diluted to 20 mL with D/L. [AM] = 10μg/mL -B 4.0 mL B diluted to 10 mL with D/L. [AM] = 4 μg/mL -C 4.0 mL B diluted to 25 mL with D/L. [AM] = 1.6 μg/mL -D 0.8 mL B diluted to 10 mL with D/L. [AM] = 0.8 μg/mL -E 1.0 mL C diluted to 10 mL with D/L. [AM] = 0.4 μg/mL -F 2.5 mL D diluted to 20 mL with D/L. [AM] = 0.2 μg/mL -G 2.5 mL E diluted to 20 mL with D/L. [AM] = 0.1 μg/mL -H 1.0 mL F diluted to 10 mL with D/L. [AM] = 0.04 μg/mL –I

Table 1: The original standard solution.