Example 9 The procedure used to determine lead in mannitol

Last updated: 7/3/2023

Example 9 The procedure used to determine lead in mannitol was also used to determine nickel in a sample of mannitol Calculate the content of nickel in a sample of mannitol from the following data 100 5 g of mannitol was dissolved in 250 ml of water A standard solution containing nickel at 10 6 ppm 10 6 mg ml was used to prepare a calibration series by adding 0 5 ml 1 0 ml and 1 5 ml of the standard to 50 ml aliquots of the mannitol solution The following readings were obtained 0 378 0 543 0 718 0 891 Calculate the content of nickel in ppm in the sample of mannitol