磷酸氢二钠-柠檬酸缓冲液配制pH0.2mol/LNa HPO（毫升）0.1mol/L柠檬酸（毫升）pH0.2mol/LNa2HPO4（毫升）0.1mol/L柠檬酸（毫升）2.20.4010.605.210.729.282.41.2418.765.411.158.852.83.1716.835.812.097.913.04.1115.896.012.637.373.24.9415.066.213.226.783.45.7014.306.413.856.153.87.1012.906.614.555.454.07.7112.296.815.454.554.28.2811.727.016.473.534.48.8211.727.217.392.614.69.3510.657.618.171.834.89.8610.147.819.150.855.010.309.708.019.450.55Na2HPO4分子量=14.98, 0.2mol/L 溶液为 28.40g/LNa HPO .2H O 分子量二178.05, 0.2mol/L 溶液为 35.01g/L 2 4 2仅供个人学习参考。