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Cation exchangers prepared from cork wastes

✍ Scribed by C.Valenzuela Calahorro; A.Bernalte García; C.Preciado Barrera; M.J.Bernalte García; M.Gómez Corzo

Book ID
103982376
Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
470 KB
Volume
44
Category
Article
ISSN
0960-8524

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✦ Synopsis

Cation exchangers have been prepared from cork charcoal obtained at temperatures of 300, 400, 500, and 600°C by sulphonating with sulphuric acid and 10 and 20% oleum at 80, 100, and 120°C. Some of the exchangers obtained had an exchange capacity around 2 meq g-1 and very high thermal stability.

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✍ Jacob Lehrfeld 📂 Article 📅 1997 🏛 John Wiley and Sons 🌐 English ⚖ 119 KB

A novel series of water-insoluble cation-exchange resins was produced by heating a commercial phytic acid solution with any of several organic and inorganic materials possessing multiple hydroxyl functionality. Suitable materials for use as substrates were pure polysaccharides such as starch or cell