Plan a dilution scheme to make standard solutions of quinine at concentrations of 0.01 ppm, 0.02 ppm, 0.04 ppm, 0.06 ppm, 0.07 ppm, 0.08 ppm, 0.1 ppm, and 1 ppm, from a stock solution of 10 ppm quinine. (Remember to include the dilution factor in your calculations).