Auteur Muhammad Arif Malik
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Documents disponibles écrits par cet auteur (2)
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Article : texte imprimé
Muhammad Arif Malik, Auteur |The generation of carbonyl groups during sulfonation of porous styrene−divinylbenzene copolymers is reported. The carbonyl groups and sulfonic acid groups were verified by infrared spectroscopy and quantified by acid−base titrations. A gradual c[...]![]()
Article : texte imprimé
Muhammad Arif Malik, Auteur ; Syed Wasim Ali, Auteur ; Imtiaz Ahmed, Auteur |Maximum sulfonation and minimum carboxylation are desirable in sulfonated styrene−divinylbenzene cation-exchange resins. These characteristics may be achieved with greater control of porosity of the base copolymers. Optimization of the porosity [...]


