Chemistry of Natural Compounds

, Volume 24, Issue 2, pp 142–146 | Cite as

Interaction of pectin substances with copper, mercury, zinc, and cadmium salts

  • G. N. Katseva
  • E. Kukhta
  • É. P. Panova
  • V. Ya. Chirva


The interaction of the sage, mint, apple, and ginseng pectins, isolated from tissue culture wastes and purified with copper, mercury, zinc, and cadmium salts, has been studied by the amperometric method with two metal indicator electrodes. The optimum conditions of titration have been determined: pH 3.5–5.0; concentration of pectin substances 5·10−5-1·10−3 g/ml of solution. It has been established by graphical and mathematical methods that the interaction is accompanied by the formation of compounds with a ratio of the carboxy groups of pectins to the metal cation of two. The IR spectra of sage pectin and of copper and mercury pectinates are given.


Copper Zinc Mercury Cadmium Organic Chemistry 
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Copyright information

© Plenum Publishing Corporation 1988

Authors and Affiliations

  • G. N. Katseva
  • E. Kukhta
  • É. P. Panova
  • V. Ya. Chirva

There are no affiliations available

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