Determination of p-toluenesulfonic acid in n-butyl-2-cyanoacrylate monomer by liquidliquid extraction and UV detection
Vol. 74 No. 579 (2017), Articles
Vol. 74 No. 579 (2017)

Determination of p-toluenesulfonic acid in n-butyl-2-cyanoacrylate monomer by liquidliquid extraction and UV detection

Articles
R.M. Guerra Bretaña
Center of Biomaterials of the University of Havana Avenida Universidad e/Ronda y G, Vedado Habana
M.I. Durán Ramos
Center of Biomaterials of the University of Havana Avenida Universidad e/Ronda y G, Vedado Habana
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Guerra Bretaña, R.M.; and Durán Ramos, M.I. “Determination of p-toluenesulfonic acid in n-butyl-2-cyanoacrylate monomer by liquidliquid extraction and UV detection”. Afinidad. Journal of Chemical Engineering Theoretical and Applied Chemistry, vol.VOL 74, no. 579, https://raco.cat/index.php/afinidad/article/view/328474.


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Abstract

A simple standard addition method was developedfor determination of the anionic inhibitor p-toluenesulfonicacid in n-butyl-2-cyanoacrylate monomer.Aqueous extraction (pH 10) of the monomer samplesdiluted in chloroform was performed, and the analytewas estimated by means of UV absorption in the rangeof 0.15 to 1.50 g/l. The method developed providesacceptable precision and linearity and is suitable foruse in the routine quality control analysis.

Keywords

  • Liquid extraction
  • n-butyl-2-cyanoacrylate
  • p-toluenesulfonic acid
  • standard addition.
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