How do i prepare 0.1 ml KH2PO4-KOH buffer, PH 7.4 (20mM)?
Deoxyribose (2.8mM) - EDTA (0.1 mM) - H2O2 (1mM) - vaniline10 mM - phosphate buffer pH 6.9 - Phosphate buffer, 20mM - Phosphate buffer 0.1 M (pH 7.4) - Ascorbate (0.1mM). ( please i want the amount of acid and base by using pka)