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Application of ion exchange membranes in the plating industry

✍ Scribed by Gy. Vértes; G. Hegyessy; G. Kovács

Publisher
Elsevier Science
Year
1992
Weight
79 KB
Volume
17
Category
Article
ISSN
0923-1137

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✦ Synopsis

The results emphasize the importance of the aqueous film quality surrounding the resin pearls which must play the part of the back-extraction agent and which must provide the best conditions for ion exchange on resins.

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Application of Raman spectroscopy to industrial ion-exchange membranes. 3—poly-4-vinylpyridinium membranes
✍ J.-L. Bribes; A. Hasdou; J. Maillols 📂 Article 📅 1993 🏛 John Wiley and Sons 🌐 English ⚖ 349 KB

## Abstract Raman spectra of poly‐4‐vinylpyridinium anion‐exchange membranes, immersed in aqueous solutions, were recorded. Assignments of some specific vibrational bands are proposed, allowing intensity measurements of appropriate signals versus pH or time. Membranes with low intrinsic p__K__ valu