Materials
- Sodium Phosphate Buffer, pH 4, 25 mL
- Sodium Phosphate Buffer, pH 6, 50 mL
- Sodium Phosphate Buffer, pH 8, 25 mL
- Sodium Hydroxide (NaOH), 1 M, 30 mL
- Hydrochloric Acid (HCl), 1 M, 15 mL
- Bogen’s Universal Indicator, 7 mL
- Bogen’s Universal Indicator Color Chart
- 7 Graduated Dropping Pipets, 3 mL
- Jelly Tray, 4 × 5 Wells