Materials
- 5 Blood Samples Collected from One
Person
- 5 Tubules
- 5 Medical Syringes (containing the
blood samples)
- pH 4 Buffer solution
- pH 10 Buffer solution
- pH 7 Buffer Solution

- 1 mol/L HCl solution
- Saline Solution

- Medical Blood Examiner
- Rubber Gloves
- Safety Goggles
- Aprons
- Hair nets