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fengling2005

木虫 (著名写手)

[求助] Zeta点位能说明什么

看文献测粒径,一般都要测zeta点位,却不知道zeta点位能代表什么,有木有大侠指点一下?
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我要红花有木有
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sally208

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【答案】应助回帖

★
wandaohzl(金币+1): 鼓励交流 2011-07-13 16:59:02
The direct information you can get is their surface charge state (negatively, neutral, or positively charged). Moreover, you can judge the colloidal stability of these particles from these data. Usually particles with a zeta potential more negative than -30 mV or more positive than +30 mV are considered a stable system.
2楼2011-07-13 13:58:04
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fengling2005

木虫 (著名写手)

引用回帖:
Originally posted by sally208 at 2011-07-13 13:58:04:
The direct information you can get is their surface charge state (negatively, neutral, or positively charged). Moreover, you can judge the colloidal stability of these particles from these data. Us ...

是文献里的摘录下来的吗?能否把文献告送我
我要红花有木有
3楼2011-07-13 15:04:08
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sally208

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引用回帖:
Originally posted by fengling2005 at 2011-07-13 15:04:08:
是文献里的摘录下来的吗?能否把文献告送我

These are common knowledge of Zeta potential ...
4楼2011-07-13 15:15:28
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fengling2005

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引用回帖:
Originally posted by sally208 at 2011-07-13 15:15:28:
These are common knowledge of Zeta potential ...

好吧
我要红花有木有
5楼2011-07-13 15:49:08
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hunterlcj

新虫 (小有名气)

【答案】应助回帖

液相状态中,溶质表层周围形成带正电或负点的稳定层,该稳定层的电位即为zeta电位,一定程度反应材料的表面电荷情况。
6楼2011-07-14 20:21:52
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