K. Cha, Sung-W. Hong, Chang-Suk Yang
1987
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Journal
Journal of The Korean Chemical Society
Abstract
Acidic strength of benzenesulfonic acid (HBs) and it's derivatives, p-toluenesulfonic acid(HTs), p-chlorobenzenesulfonic acid(HCs) and m-nitrobenzenesulfonic acid(HNs), were measured in the anhydrous acetic acid medium by spectrophotometry. p-naphtholbenzein (PNB) was used as an indicator base and the ionization constants of HTs, HBs, HCs and HNs were , respectively, at 20.00.1C.