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Merck
CN

915769

Nafion 全氟化膜

Nafion 117, thickness × L × W 0.007 in. × 0.61 m × 2.5 m, sheet

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关于此项目

线性分子式:
(C7HF13O5S . C2F4)x
化学文摘社编号:
UNSPSC Code:
60104509
MDL number:
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form

sheet

eq. wt.

1,100

manufacturer/tradename

Nafion 117

thickness × L × W

0.007 in. × 0.61 m × 2.5 m

solubility

H2O: insoluble

InChI

1S/C7HF13O5S.C2F4/c8-1(9)2(10)24-5(15,16)3(11,4(12,13)14)25-6(17,18)7(19,20)26(21,22)23;3-1(4)2(5)6/h(H,21,22,23);

InChI key

FOYUGSIADQEOEK-UHFFFAOYSA-N

Application

Nafion membrane may be used in the fabrication of electrodes by dry plasma.As a proton exchange membrane Nafion has been the focus of considerable efforts to develop improved fuel cells.
Nafion is a perfluorinated ion-exchange membrane which has a wide variety of commercial uses. The acidic (hydrogen ion) form and derivatives are solid, superacid catalysts useful in a wide variety of synthetic applications.
Nafion是一种全氟离子交换膜,具有多种商业用途。酸性(氢离子)形式和衍生物是固体超强酸催化剂,可用于多种合成应用中。

Packaging

由于有机物的吸收,在一般室内环境中长时间(几个月)存放的膜通常会变暗/变褐色。在储存期间,应确认产品是否保持密封。
· 保持膜密封并防止一般暴露,可减少有机物的影响。长期储存时,建议使用密封袋存放。
· 变色不影响性能,使用稀硝酸浸泡可除去颜色。
Darkening/browning is common for pieces stored in a general room environment for an extended period of time (several months), due to organics pick-up. Verify product is kept sealed during storage.
  • Keep pieces sealed and protected from general exposure will reduce the effect. Recommend long term storage in air-tight bags.
  • Discoloration does not affect performance and can be removed by soaking in dilute nitric acid.

Legal Information

Nafion is a trademark of The Chemours Company FC, LLC


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存储类别

11 - Combustible Solids

wgk

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

法规信息

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历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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Materials Issues in Polymer Electrolyte Membrane Fuel Cells.
Nancy L G, et al.
Material Matters (2008)
Ion mobility in Nafion-117 membranes.
Stenina I A, et al.
Desalination, 170(1), 49-58 (2004)
Study of Self-Diffusion of Monovalent and Divalent Cations in Nafion-117 Ion-Exchange Membrane.
Goswami A, et al.
The Journal of Physical Chemistry B, 105(38), 9196-9201 (2001)



全球贸易项目编号

货号GTIN
915769-1EA04061842493135