The composition and acid-base properties of fulvic acid fractions of chernozem leached

Authors

  • Vladimir V. Kotov doctor of chemical sciences, prof. of chemistry department of Voronezh State Agricultural University, Voronezh, tel.: 8(4732)537678
  • Dmitriy V. Nenahov postgraduate student of chemistry department of Voronezh State Agricultural University, Voronezh, е-mail: dmitrynen@ mail.ru
  • Elene S. Gasanova candidate of agricultural sciences, associate of soil science department of Voronezh State Agricultural University, Voronezh
  • Konstantin E. Stekolnikov candidate of agricultural sciences, manager of soil science department of Voronezh State Agricultural University, Voronezh, e-mail: soil@agrochem.vsau.ru

Keywords:

fraction, fulvic acid, acid-bace properties, composition

Abstract

Content and acid-base properties of fractions of fulvic acids (FA) of chernozem leached that was
desorbed from activated charcoral with different solutions was researched with method of potentiometric
titration. The presence of two types of proton-donor groups in water fraction of molecules of FA and
three types in water-acetone and ammonium fractions. Was shown that molecules of water and
ammonium fractions has amino groups. The hypothesis that fulvic acids is the products of destruction of
humic acids (HA) was confirmed

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Published

2019-11-27

Issue

Vol. 10 No. 1 (2010): Sorbtsionnye i Khromatograficheskie Protsessy

Section

Статьи

How to Cite

The composition and acid-base properties of fulvic acid fractions of chernozem leached. (2019). Sorbtsionnye I Khromatograficheskie Protsessy, 10(1). https://journals.vsu.ru/sorpchrom/article/view/2019

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