<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>The study was focused on describing ultraviolet-visible spectra of the humic substances, humic acids and fulvic acids isolated from four Slovak soils. The samples were heated in a laboratory furnace, to simulate soil behaviour during fires. The absorbances at the wavelengths corresponding to the selected chromophores and specific wavelength for groups of substances were compared. Analysis of the UV -VIS spectra of the extracted humic substances may indicate the directions of interest in the changes in soil organic matter, along with the changes in external conditions, such as natural fires.</p>
</abstract>

The study was focused on describing ultraviolet-visible spectra of the humic substances, humic acids and fulvic acids isolated from four Slovak soils. The samples were heated in a laboratory furnace, to simulate soil behaviour during fires. The absorbances at the wavelengths corresponding to the selected chromophores and specific wavelength for groups of substances were compared. Analysis of the UV -VIS spectra of the extracted humic substances may indicate the directions of interest in the changes in soil organic matter, along with the changes in external conditions, such as natural fires.

Study Into the Changes in Soil Organic Matter, Caused By Laboratory Simulated Fires in Four Slovak Soils 1. UV-VIS Spectrum Analysis

Slovak University Of Technology In Bratislava

Faculty Of Materials Science And Technology, Institute Of Integrated Safety

Research Papers Faculty of Materials Science and Technology Slovak University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

The study was focused on describing ultraviolet-visible spectra of the humic substances, humic acids and fulvic acids isolated from four Slovak soils. The...

Study Into the Changes in Soil Organic Matter, Caused By Laboratory Simulated Fires in Four Slovak Soils 1. UV-VIS Spectrum Analysis

Published Online: Aug 05, 2021

Page range: 131 - 142

Received: Apr 26, 2021

Accepted: Jun 29, 2021

DOI: https://doi.org/10.2478/rput-2021-0014

Keywords
Fire, Humic substances (HS), Humic acid (HA), Fulvic acid (FA), UV-VIS spectrophotometry

© 2021 Maroš Sirotiak et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Study Into the Changes in Soil Organic Matter, Caused By Laboratory Simulated Fires in Four Slovak Soils 1. UV-VIS Spectrum Analysis

Published Online: Aug 05, 2021

Page range: 131 - 142

Received: Apr 26, 2021

Accepted: Jun 29, 2021

DOI: https://doi.org/10.2478/rput-2021-0014

KeywordsFire, Humic substances (HS), Humic acid (HA), Fulvic acid (FA), UV-VIS spectrophotometry

© 2021 Maroš Sirotiak et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Keywords
Fire, Humic substances (HS), Humic acid (HA), Fulvic acid (FA), UV-VIS spectrophotometry