常见缓冲液配制(共7页).doc

精选优质文档-倾情为你奉上常用缓冲溶液的配制（一）甘氨酸-盐酸缓冲液（0.05 mol/L）X毫升0.2 mol/L甘氨酸Y毫升0.2 mol/L HCl，再加水稀释至200毫升。pHXYpHXY2.25044.03.05011.42.45032.43.2508.22.65024.23.4506.42.85016.83.6505.0甘氨酸分子量75.07。0.2 mol/L甘氨酸溶液含15.01 g/L。（二）邻苯二甲酸-盐酸缓冲液（0.05 mol/L）X毫升0.2 mol/L邻苯二甲酸氢钾Y毫升0.2 mol/L HCl，再加水稀释至20毫升。pH(20)XYpH (20)XY2.254.6703.251.4702.453.9603.450.9902.653.2952.650.5972.852.6423.8