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木虫 (正式写手)

Niu_HT

[交流] 【求助】纳米纤维的BET结果分析

t-method 计算没有微孔, 而DR,HK, SF都计算出微孔,应该用哪个?在小木虫看到t-method, DR,HK, SF都是分析微孔的方法,他们有什么区别和特别的应用吗?

BJH Method Cumulative Adsorption Pore Volume 怎么会比总的孔容 Total Pore Volume for pores 还大?

以前没做过这方面分析,请专家帮忙分析一下?

                               SURFACE AREA DATA

Multipoint BET..............................................  9.974E+01  m²/g
Single Point BET............................................  8.701E+01  m²/g
Langmuir Surface Area.......................................  1.817E+02  m²/g
BJH Method Cumulative Adsorption Surface Area...............  1.991E+02  m²/g
BJH Method Cumulative Desorption Surface Area...............  8.357E+01  m²/g
DH Method Cumulative Adsorption Surface Area................  2.079E+02  m²/g
DH Method Cumulative Desorption Surface Area................  8.732E+01  m²/g
t-Method External Surface Area..............................  9.974E+01  m²/g
t-Method Micro Pore Surface Area............................  0.000E+00  m²/g
DR Method Micro Pore Area...................................  1.523E+02  m²/g

                                PORE VOLUME DATA

Total Pore Volume for pores with Diameter
less than 7881.2 Å at P/Po = 0.99757........................  1.072E-01  cc/g
BJH Method Cumulative Adsorption Pore Volume................  1.450E-01  cc/g
BJH Method Cumulative Desorption Pore Volume................  7.384E-02  cc/g
DH Method Cumulative Adsorption Pore Volume.................  1.439E-01  cc/g
DH Method Cumulative Desorption Pore Volume.................  7.338E-02  cc/g
t-Method Micro Pore Volume..................................  0.000E+00  cc/g
DR Method Micro Pore Volume.................................  5.412E-02  cc/g
HK Method Cumulative Pore Volume............................  3.255E-02  cc/g
SF Method Cumulative Pore Volume............................  3.395E-02  cc/g

                                 PORE SIZE DATA

Average Pore Diameter.......................................  4.300E+01  Å
BJH Method Adsorption Pore Diameter (Mode)..................  1.380E+01  Å
BJH Method Desorption Pore Diameter (Mode)..................  1.946E+01  Å
DH  Method Adsorption Pore Diameter (Mode)..................  1.380E+01  Å
DH  Method Desorption Pore Diameter (Mode)..................  1.946E+01  Å
DR  Method Micro Pore Width   ..............................  1.813E+02  Å
DA  Method Pore Diameter (Mode).............................  1.880E+01  Å
HK  Method Pore Width    (Mode).............................  1.362E+01  Å
SF  Method Pore Diameter (Mode).............................  2.547E+01  Å

本帖关键词:Adsorption Pore BET Volume Method
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