1X48-10 



MANUAL OF METHODS FOR PURE CULTURE STUDY 



TABLE 3 



COMPOSITION OF MIXTURES GIVING pH VALUES AT 20°C AT INTERVALS OF 0.2 



From Clark {1928) p. 200-1. 



KCl, HCl mixtures 



Phthalate, HCl mixtures 



Phthalate, NaOH mixtures 



