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Result

EEM fluorescence spectra of humic acids

Aim of this project was to compare structure differences in lignite humic acids and soil humic acids using EEM fluorescence spectroscopy. Soil humic acids were isolated from Haplic Chernozem (locality Bratčice). Lignite

CF - Fyzikální chemie a teoretická chemie

  • 2009
  • D
Result

Removal of Humic Substances from Water

The humic substances serve as precursors for THM hence they are removed from water.

DJ - Znečištění a kontrola vody

  • 2002
  • D
Result

Utilization of natural humic substances of the oxyhumolite type in remedial technologies

The overview of humic substances and oxyhumolite application possibilities in remediation.

DK - Kontaminace a dekontaminace půdy včetně pesticidů

  • 2005
  • Jx
Result

Determination of total OH groups in humic acids; Determination of toxic elements in humic substances

Application of developed procedure for determination of OH groups in real samples of humic acids. Application of developed procedure for determination of toxic elements in real samples of humic substances......

CA - Anorganická chemie

  • 2007
  • A
Result

Study of lignitic humic acids by fluorescence spectroscopy.

Humic acids (HA) are the main components of humic substances. The content of low and higher molecular components of humic acids can be determined by fluorescence spectroscopy. Samples of humic acids were isolated f...

CF - Fyzikální chemie a teoretická chemie

  • 2004
  • D
Result

Are humic products really humic?

Humic substances are not unambiguously defined chemical species but a complex mixture. Methods determining their content on the basis of carbon content are not specific. For a proper characterization of humic products combination of...

GD - Hnojení, závlahy, zpracování půdy

  • 2016
  • Jx
Result

Hydration of regenerated humic substances

Hydration of regenerated humic substances...

CF - Fyzikální chemie a teoretická chemie

  • 2008
  • Jx
Result

MODELS OF COMPLEXATION OF HUMIC ACIDS

Complexation of humic acids with metal ions are modeled by means of simple organic molecules with structure similar to humic acids binding sites....

CF - Fyzikální chemie a teoretická chemie

  • 2005
  • D
Result

Influence of the modification of humic acids on their reactivity

Humic acids, as one of the most reactive part of soil, were modified by esterification of their carboxylic functional groups. Obtained methylated humic acids were mixed with non-modified humic acids in different ratios. The...

CF - Fyzikální chemie a teoretická chemie

  • 2011
  • O
Result

Nutno doplnit!

Specification of the technological condition for pilot production of alkali humates and nitrohumates, humic and nitrohumic acids from oxyhumolites which have defined humic acid content, structural properties and biological activity ...

CI - Průmyslová chemie a chemické inženýrství

  • 2008
  • Zpolop
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