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如圖三個(gè)BET結(jié)果,你看哪一個(gè)的BET應(yīng)該最大阿?
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如下三個(gè)BET結(jié)果,你看哪一個(gè)的BET應(yīng)該最大阿? 總結(jié):順序是從上到下的,由于科學(xué)計(jì)數(shù)法的原因,分析失誤了,哈哈 [ Last edited by shijichao001 on 2011-12-16 at 17:05 ] |
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1,Surface Area Data MultiPoint BET 4.262e+01 m?g Langmuir surface area 6.308e+01 m?g BJH method cumulative adsorption surface area 6.201e+01 m?g BJH method cumulative desorption surface area 7.459e+01 m?g DH method cumulative adsorption surface area 6.684e+01 m?g DH method cumulative desorption surface area 7.803e+01 m?g t-method external surface area 3.570e+01 m?g t-method micropore surface area 6.926e+00 m?g 2, Surface Area Data MultiPoint BET 3.072e+01 m?g Langmuir surface area 4.566e+01 m?g BJH method cumulative adsorption surface area 3.526e+01 m?g BJH method cumulative desorption surface area 3.320e+01 m?g DH method cumulative adsorption surface area 3.638e+01 m?g DH method cumulative desorption surface area 3.380e+01 m?g t-method external surface area 2.381e+01 m?g t-method micropore surface area 6.907e+00 m?g 3. Surface Area Data MultiPoint BET 8.614e+00 m?g Langmuir surface area 1.304e+01 m?g BJH method cumulative adsorption surface area 8.226e+00 m?g BJH method cumulative desorption surface area 1.882e+01 m?g DH method cumulative adsorption surface area 8.684e+00 m?g DH method cumulative desorption surface area 2.035e+01 m?g t-method external surface area 5.815e+00 m?g t-method micropore surface area 2.799e+00 m?g |
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1, Slope = 81.653 Intercept = 5.029e-02 Correlation coefficient, r = 0.999325 C constant= 1624.632 2, Slope = 112.940 Intercept = 4.292e-01 Correlation coefficient, r = 0.999726 C constant= 264.112 3. Slope = 402.159 Intercept = 2.111e+00 Correlation coefficient, r = 0.999742 C constant= 191.490 是這個(gè)吧,這樣看還是按照1,2,3的順序的,1的吸附能力最大,這個(gè)和我的實(shí)驗(yàn)結(jié)果也相符的。 你有沒有具體解釋吸附能力和BET關(guān)系的文獻(xiàn)阿,參考參考,謝謝! |
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我沒見過你的報(bào)告,不清楚C值寫在哪里,也是通過BET直線的斜率合截距算的,是吸附能力的反應(yīng),說明這三個(gè)樣品的吸附能力不同,或者說吸附層數(shù)的不同的 |
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你在仔細(xì)看看結(jié)果 最后那個(gè)BET是個(gè)位數(shù) 其他的都是XXE+01 |
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