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jeremyme

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[交流] 【求助】为什么BET比表面积会比BJH小？已有2人参与

求助：    为什么BET比表面积会比BJH小？

   Surface Area Data

MultiPoint BET                                                          5.911e+00 m?g
Langmuir surface area                                                    9.806e+00 m?g
BJH method cumulative adsorption surface area                            7.611e+00 m?g
BJH method cumulative desorption surface area                            9.525e+00 m?g
DH method cumulative adsorption surface area                            7.744e+00 m?g
DH method cumulative desorption surface area                            9.613e+00 m?g
t-method external surface area                                           5.911e+00 m?g

                                       Pore Volume Data

Total pore volume for pores with Diameter
less than 133.16 nm at P/Po = 0.985364                                  3.023e-02 cc/g
BJH method cumulative adsorption pore volume                            3.097e-02 cc/g
BJH method cumulative desorption pore volume                            3.167e-02 cc/g
DH method cumulative adsorption pore volume                            3.017e-02 cc/g
DH method cumulative desorption pore volume                            3.093e-02 cc/g
HK method cumulative pore volume                                        3.665e-03 cc/g
SF method cumulative pore volume                                        3.691e-03 cc/g

                                       Pore Size Data

Average pore Diameter                                                    2.046e+01 nm
BJH method adsorption pore Diameter (Mode Dv(d))                         1.689e+00 nm
BJH method desorption pore Diameter (Mode Dv(d))                         3.804e+00 nm
DH method adsorption pore Diameter (Mode Dv(d))                         1.435e+00 nm
DH method desorption pore Diameter (Mode Dv(d))                         3.804e+00 nm
HK method pore Diameter (Mode)                                           4.315e-01 nm
SF method pore Diameter (Mode)                                           4.615e-01 nm

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