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yangk

木虫 (正式写手)

[求助] 纳米二氧化硅粉体表面积分析微体积孔分析微孔尺寸分析求助

用ASAP 2020 V3.01 H 分析仪器,
测试纳米二氧化硅粉体测试的t-plot的C值是负值,结果如下,请高手帮忙分析!跪求

Summary Report

Surface Area

Single point surface area at p/p° = 0.200882852: 5.2215 m²/g
BET Surface Area: 5.2653 m²/g
Langmuir Surface Area: 7.1627 m²/g
t-Plot Micropore Area: 4.0713 m²/g
t-Plot External Surface Area: 1.1940 m²/g
BJH Adsorption cumulative surface area of pores
between 17.000 Å and 3000.000 Å width: 1.945 m²/g
BJH Desorption cumulative surface area of pores
between 17.000 Å and 3000.000 Å width: 2.5684 m²/g

1. 我的样品属于微孔结构吗?
2.结构怎么样?

Pore Volume

Single point adsorption total pore volume of pores
less than 783.174 Å width at p/p° = 0.974646903: 0.008801 cm³/g
t-Plot micropore volume: 0.001739 cm³/g
BJH Adsorption cumulative volume of pores
between 17.000 Å and 3000.000 Å width: 0.041444 cm³/g
BJH Desorption cumulative volume of pores
between 17.000 Å and 3000.000 Å width: 0.042739 cm³/g

1. BJH Adsorption cumulative volume of pores和BJH Desorption cumulative volume of pores,Single point adsorption total pore volume of pores个数据有什么意义呢?能够得出什么结论?

Pore Size

Adsorption average pore width (4V/A by BET): 66.8613 Å
BJH Adsorption average pore width (4V/A): 852.533 Å
BJH Desorption average pore width (4V/A): 665.617 Å

1.  这个数据有什么意义?结果又可以得到什么结论呢?
2. 4v/A是什么意思呢?

[ Last edited by yangk on 2011-5-29 at 10:38 ]
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yangk

木虫 (正式写手)

引用回帖:
Originally posted by jwsong at 2011-05-29 14:56:59:
给出吸附曲线和孔分布曲线(要吸附的孔分布),可能会有明白的虫子容易给你帮助吧

请高手帮助分析哈



4楼2011-05-29 15:55:44
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查看全部 4 个回答

jwsong

金虫 (正式写手)

【答案】应助回帖

yangk(金币+1, 博学EPI+1): 板凳 2011-05-29 14:59:46
给出吸附曲线和孔分布曲线(要吸附的孔分布),可能会有明白的虫子容易给你帮助吧
追女孩需要两点:第一要有钱;如果没有钱,那第二装着很有钱
2楼2011-05-29 14:56:59
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jwsong

金虫 (正式写手)

【答案】应助回帖

引用回帖:
Originally posted by jwsong at 2011-05-29 14:56:59:
给出吸附曲线和孔分布曲线(要吸附的孔分布),可能会有明白的虫子容易给你帮助吧

另外,比表面积只有几个平米,系统给出的微孔几乎为零,不像有微孔的样子哦。

能给出纳米粒子的大小么?可能对分析有点帮助吧

看下面虫子的分析吧,我也学习下
追女孩需要两点:第一要有钱;如果没有钱,那第二装着很有钱
3楼2011-05-29 15:01:31
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