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dujinfeng-1981

银虫 (小有名气)

[求助] sigma aldrich试剂Analytical与ACS reagent有什么区别 已有2人参与

sigma aldrich试剂Analytical与ACS reagent有什么区别呢?

想买sigma aldrich的试剂,具体在超级电容器电极制备前处理的时候用,选哪个级别呢?
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gxytju2008

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【答案】应助回帖

感谢参与,应助指数 +1
Reagent A.C.S. - This designates a high quality chemical for laboratory use. The abbreviation "A.C.S.," means the chemical meets the specifications of the American Chemical Society. A Certificate of Analysis is available upon request.

AR - The standard Mallinckrodt grade of analytical reagents; suitable for laboratory and general use. If the reagent also meets the requirements of the American Chemical Society Committee on Analytical Reagent, it will be denoted as an AR (ACS) reagent. (MBI trademark)

个人通常没特意选择啥,看看具体纯度还有杂质种类没问题就可以用的
3楼2014-11-26 11:03:43
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胡琪

铁杆木虫 (著名写手)

【答案】应助回帖

感谢参与,应助指数 +1
sigma aldrich是试剂公司西格玛试剂公司分析纯:AR ,Analytical reagent
优级纯试剂:ACS,GR grade
天地任我行
2楼2014-11-25 22:31:12
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