How is percent recovery calculated?

Raw sample: A solid of 0.5 g was added to 10 mL of HNO3. Spiked sample: The same solid sample of 0.5 g was added to 10 mL of HNO3 and 2mL of 1000 ppm Pb standard. After digestion, water was added...

20 September 2017 4,884 15 View