如何配置p H4.4柠檬酸缓冲液配制?
问题描述:
如何配置p H4.4柠檬酸缓冲液配制?
答
柠檬酸–柠檬酸钠缓冲液(0.1 mol/L)
pH0.1 mol/L0.1 mol/LpH 0.1 mol/L0.1 mol/L
柠檬酸柠檬酸钠 柠檬酸柠檬酸钠
(毫升)(毫升)(毫升)(毫升)
318.61.458.211.8
3.217.22.85.27.312.7
3.41645.46.413.6
3.614.95.15.65.514.5
3.81465.84.715.3
413.16.963.816.2
4.212.37.76.22.817.2
4.411.48.66.4218
4.610.39.76.61.418.6
4.89.210.8
柠檬酸C6H8O7·H2O:分子量210.14,0.1 mol/L溶液为21.01克/升.
柠檬酸钠Na3 C6H5O7·2H2O:分子量294.12,0.1 mol/L溶液为29.41克/毫升.