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Acid-Base Equilibria of Some N-Substituted Thiophene-2-Carboxamidoximes in Non-Aqueous MediaAcid-Base Equilibria of Some N-Substituted Thiophene-2-Carboxamidoximes in Non-Aqueous Media
Thiophene protonation constant potentiometry pKa values amidoxime
2010/4/22
The protonation constants of the amino nitrogens of some N-substituted thiophene-2-carboxamidoximes have been determined in acetic acid by means of potentiometric titration with perchloric acid. pKa v...
Extraction Equilibria of Nicotinic Acid Using Alamine 300/Diluent and Conventional Solvent Systems
Extraction equilibria Nicotinic acid Alamine 300 Modeling
2010/4/22
The distribution of nicotinic acid between water and Alamine 300 (tri-n-octylamine) dissolved in various (proton-donating and -accepting, polar and nonpolar) diluents, and a comparison with the extrac...