Buffer Solution usually containing a weak acid and its conjugate weak base, or a salt, of such a composition that the pH is held constant within a certain range.
通常指含有一种微酸和与之结合的一种微碱或盐，并能维持酸碱值基本恒定的溶液。
2
Methods Conjugate was prepared by carbodiimide mediated coupling of adipic acid hydrazide derivatives of capsular polysaccharides of group A meningococcal with tetanus toxoid(TT).