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wanwubo

铁虫 (小有名气)

[交流] 【求助】nafion选择那种型号 已有2人参与

大家好,最近打算做化学传感器,打算购买5%的nafion溶液,联系了一家上海的DuPont代理同时也在sigma-aldrich的网站上看了,发现nafion溶液的规格好多呀,不晓得做电化学传感器一般都用那种型号的nafion
sigma网站上有

Nafion® 117 solution
purum, ~5% in a mixture of lower aliphatic alcohols and water (Aldrich)

Nafion® perfluorinated resin solution,
527084 5 wt. % in mixture of lower aliphatic alcohols and water, contains 45% water (Aldrich)
274704 5 wt. % in lower aliphatic alcohols and water, contains 15-20% water (Aldrich)

Nafion® perfluorinated resin, aqueous dispersion  

还有就是杜邦在中国的那家代理卖的有如下
Nafion PFSA  Polymer  Dispersions
DE 520/521, DE 1020/1021, DE 2020/2021
文献上一般都说使用5%的nafion溶液其他的都没怎么讲,小弟现在很迷茫,不晓得选用那种呀?
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巴巴超

金虫 (小有名气)

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2楼: Originally posted by pemfc at 2010-05-18 21:04:19
sigma网站上的表述是误导大家,实际上Nafion溶液就是聚四氟磺酸树脂溶解在水和乙醇以及其他醇类与添加剂中。
Nafion® 117 solution---117是Nafion膜的型号!
purum, ~5% in a mixture of lower aliphat ...

你好,你知道nafion溶液有无水的不?谢谢
3楼2014-04-25 06:51:42
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