Auteur R. A. El-Ghazawy
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A. M. Al-Sabagh, Auteur ; H. M. Abd El Bary, Auteur ; R. A. El-Ghazawy, Auteur |Linear and heavy alkyl benzene (HAB) were sulfonated with fuming sulfuric acid (oleum) and the sulfonated products were esterified with tri and poly ethanolamine (d = 4 and 6). The prepared three esters from each series were quaternized with n-b[...]


