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【请教】ASAP 2010 默认的孔体积计算方法是哪一种？
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最近的一篇Carbon在修改中，审稿人提出以下问题，不确认如何答复，希望各位大侠给予指点， 1) BET surface area The BET specific surface area of nanoporous carbons is known to depend on the region of the relative pressure in the BET plots (K. Kaneko, et al., Carbon, 30, 1075 (1992).). The authors should consider it. 2) BJH method The authors calculated the micropore volume by BJH method (eg. Table1). It is not appropriate, because BJH method is based on the capillary condensation theory of pores. The nitrogen molecules in micropore do not behave as liquid. 我采用的数据是ASAP 2010 直接给出的数据，我说明的是表面积用BET方法计算的 （2524），而审稿人说要指出相对压力，仪器给出的单点表面积有压力数据，但总的表面积的相对压力是多少谁能告诉我一下 ？ 如下面的数据显示，我说明孔体积由BJH方法算出，审稿人说不合适，ASAP仪器默认的是什么方法计算孔体积啊？ 附，ASAP仪器给出的数据报告 Summary Report Area Single Point Surface Area at P/Po 0.20167801 : 2438.6230 m?g BET Surface Area: 2524.0024 m?g Langmuir Surface Area: 3469.4181 m?g BJH Adsorption Cumulative Surface Area of pores between 17.000000 and 3000.000000 A Diameter: 1731.8984 m?g BJH Desorption Cumulative Surface Area of pores between 17.000000 and 3000.000000 A Diameter: 1877.9698 m?g Volume Single Point Total Pore Volume of pores less than 763.3279 A Diameter at P/Po 0.97397234: 2.439007 cm?g BJH Adsorption Cumulative Pore Volume of pores between 17.000000 and 3000.000000 A Diameter: 2.501077 cm?g BJH Desorption Cumulative Pore Volume of pores between 17.000000 and 3000.000000 A Diameter: 2.576234 cm?g Pore Size Average Pore Diameter (4V/A by BET): 38.6530 A BJH Adsorption Average Pore Diameter (4V/A): 57.7650 A BJH Desorption Average Pore Diameter (4V/A): 54.8728 A [ Last edited by kaka103 on 2009-9-9 at 10:56 ] |
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