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Sahar Fatima, Muhammad Imran, Farah Kanwal, Ayesha Javaid, Shoomaila Latif and Grzegorz Boczkaj
In this work, polymeric microspheres derived from polystyrene-co-methyl methacrylate embedded with magnetic ZnO nanoparticles (poly(styrene-co-MMA)-3MPS-Fe (ZnO)) were synthesized using the suspension polymerization method. The surfaces of polymeric Fe(Z...
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H. R. Robles-Jimarez, N. Jornet-Martínez and P. Campíns-Falcó
This paper aims to provide improved selectivity and sensitivity with a short analysis time of about 10 min and low residues for quantitation of nitrite and nitrate in waters by liquid chromatography. Ion-pair formation and ion exchange retention mechanis...
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Jiabei Xia, Xingyu Mei, Huan Cheng, Shiguo Chen, Xingqian Ye and Jianle Chen
The rhizome of Polygonatum, which has been consumed in China for nearly 2000 years, is rich in oligosaccharides, polysaccharides, saponins, and alkaloids and has various effects such as lowering blood sugar and anti-aging. Its aerial parts are often disc...
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György Pátzay, József Dobor, Emil Csonka, Gábor Lozsi, Ferenc Feil
Pág. 424 - 430
Borate ion exchange capacity of Purolite NRW600 strong base anion resin in hydroxide form and mixed bed NRW600+NRW100 ion exchange was investigated with static experiments. Anion exchange resin was saturated with 0.1?45 g/dm3 concentration boric aci...
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Muhammad Ahsan Iqbal, Humaira Asghar and Michele Fedel
A protective CoAl-layered double hydroxide (LDH) thin film was developed directly on the aluminum substrate. Further, the low-surface-energy molecules (1H, 1H, 2H, 2H perfluorododecyl trichlorosilane) were incorporated inside the LDH network through an a...
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Noa Miguez, Peter Kidibule, Paloma Santos-Moriano, Antonio O. Ballesteros, Maria Fernandez-Lobato and Francisco J. Plou
Chitooligosaccharides (COS) are homo- or hetero-oligomers of D-glucosamine (GlcN) and N-acetyl-D-glucosamine (GlcNAc) that can be obtained by chitosan or chitin hydrolysis. Their enzymatic production is preferred over other methodologies (physical, chemi...
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Bruno de Gennaro, Paolo Aprea, Barbara Liguori, Barbara Galzerano, Antonio Peluso and Domenico Caputo
Natural zeolites are used as adsorbents in purification processes due to their cation-exchange ability and molecular sieve properties. Surface modified natural zeolites (SMNZs), produced by attaching cationic organic surfactants to the external surface, ...
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Lucie Zárybnická, Eliska Stranska
Pág. 51 - 56
The present work deals with verification stability of the prepared anion-exchange membrane with surface modification in the time. The surface modification of a commercial ultrafiltration poly(ethersulfone) membrane was carried out graft polymerization. P...
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Marcel Riegel and Volker Schlitt
Uranium can occur naturally in groundwater which is used for drinking water production. Depending on its concentration levels, uranium elimination might become necessary. In German waterworks, anion exchange technology represents the state of the art for...
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Hohyoun Jang, Sabuj Chandra Sutradhar, Jiho Yoo, Jaeseong Ha, Jaeseung Pyo, Chaekyun Lee, Taewook Ryu and Whangi Kim
Polymers for application as sulfonated polyphenylene membranes were prepared by nickel-catalyzed carbon-carbon coupling reaction of bis(4-chlorophenyl)-1,2-diphenylethylene (BCD) and 1,4-dichloro-2,5-dibenzoylbenzene (DCBP). Conjugated cis/trans i...
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