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1、乙醇密度表密度表 乙醇溶液密度(g/cm3;)(20) 0.998 0.996 0.994 0.992 0.990 0.988 0.985 0.982 0.980 0.978 0.975 0.972 0.970 0.968 0.965 0.962 0.960 0.957 0.954 0.950 0.945 0.940 0.935 0.930 0.925 0.920 0.915 0.910 每(g/cm3;)含有乙醇质量(%)g 0.15 1.20 2.30 3.50 4.70 5.90 7.90 10.0 11.5 13.0 15.3 17.6 19.1 20.6 22.8 24.8 26.2
2、 28.1 29.9 32.2 35.0 37.6 40.1 42.6 44.9 47.3 49.5 51.8 浓度 0.2 1.5 3.0 4.4 5.9 7.4 9.9 12.5 14.2 16.0 18.9 21.7 23.5 25.3 27.8 30.3 31.8 34.0 36.1 38.8 41.3 44.8 47.5 50.2 52.7 55.1 57.4 59.7 0.905 0.900 0.895 0.890 0.885 0.880 0.875 0.870 0.865 0.860 0.855 0.850 0.845 0.840 0.835 0.830 0.825 0.820
3、0.815 0.810 0.805 0.800 0.795 0.791 53.9 56.2 58.3 60.5 62.7 64.8 66.9 69.0 71.1 73.2 75.3 77.3 79.4 81.4 83.4 85.4 87.3 89.2 91.1 93.0 94.4 96.5 98.2 98.5 61.9 64.0 66.2 68.2 70.2 72.2 74.2 76.1 77.9 79.7 81.5 83.3 85.0 86.6 88.2 89.8 91.2 92.7 94.1 95.4 96.6 97.7 98.9 99.7 从中可以计算出:每(g/cm3)含有乙醇重量(%)g 浓度=度(1度=1%体积) 例如:密度为0.791g/cm3 每(g/cm3)含有乙醇重量:0.79199.5%=0.787045g 浓度:99.7%=99.7度