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Use of carbon indicator electrodes in potentiometric neutralization titrations. II. Graphite electrode in the methyl ethyl ketone medium

J. Berčík, M. Čakrt, and K. Derzsiová

Department of Analytical Chemistry, Slovak Technical University, Bratislava

 

Abstract: The suitability of chem. activated graphite electrodes for indication in potentiometric neutralization titrns. in a differentiating medium of MeCOEt was described. The electrodes were activated before every titrn. by immersing into an aq. soln. of N KMnO4 in N H2SO4. The compds. titrated were: o-aminophenol, p-phenylenediamine, morpholine, α-naphthylamine, diphenylguanidine, N-ethylpiperidine, picric acid, 2,4-dinitrophenol, o-nitrophenol, 2,5-dinitrophenol, HOAc, BzOH, HCl, H2SO4, p-toluenesulfonic acid, trichloroacetic acid, and their selected mixts. The titrn. accuracy is the same as with glass electrode.

Full paper in Portable Document Format: 2210a761.pdf (in Slovak)

 

Chemical Papers 22 (10) 761–767 (1968)

Tuesday, November 29, 2022

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