溶液吸附法测定固体的比表面积.doc

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1、A标液V/MLC/(mol/ml)0.2%C/(mol/l)0.32610.00000000312260.78630.00000000936781.22750.00000001561300.000000010621.68670.00000002185822.03190.00000002810342.192100.00000003122600.2%v/mlC0/(mol/ml)A1C1/(mol/ml)m/gГc/Г300.000001271.0350.00000083500.10390.0002110.003949200.000000850.6880.00000048800.10210.00

2、01770.002756150.000000640.4420.00000024200.10970.000180.001343100.000000420.2690.00000006900.10520.0001690.00040850.000000210.110.00000009000.10310.0001470.000614可从上图得K=4652.9又Г∞=1/K则S=Г∞LδA=1÷4652.9×6.02×10^23×39×10^(-20)=50.459㎡/g