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University of Karachi, Karachi

The effect of various concentrations of Sodium Chloride and Lithium Sulphate in presence of Carbonate-bicarbonate buffer at pH 9.20 on the base-catalyzed hydrolysis of procaine was investigated. The whole study was done in the presence of different concentration of cetyltrimethyI ammonium bromide (CTAB) and Sodium dodecyl Sulphate (SDS) at 60?C. Addition of different electrolytes suppressed the maxima in the `Surfactant Effect ratio` (SER). The presence of these additives increase the inhibitory effect with a corresponding in their concentrations SDS/ SO4, appeared to be most effective inhibitory amongst SDS/Li2SO4, SDS/NaCl, CTAB/Li2SO4, and CTAB/NaC1systems.

Article: Original Article

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