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Humic substances from soils and sediments can be defined as surface active substances based on the surface tension measurements.
Although there are several micellar structural models of humic substances currently available, few studies evaluating humic
substances as surfactants have been conducted to date. Therefore, we evaluated the ability of humic substances and their derivatives
to influence surface tension. We found that the ability of a humic substance to influence the surface tension of a solution
depends on its origin. Many industrially produced humic materials exerted little or no impact on surface tension, whereas
humic substances isolated from natural environments (water, soil, peat, sediments, sludge from wastewater treatment facilities)
exerted a large impact on surface tension. These findings indicate that the modification of humic substances can enable their
use as surfactants. In addition, these findings indicate that solutions of humic substances and their derivatives can be used
to increase the solubility of organic compounds. 相似文献
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Gaidukovs Sergejs Platnieks Oskars Gaidukova Gerda Starkova Olesja Barkane Anda Beluns Sergejs Thakur Vijay Kumar 《Journal of Polymers and the Environment》2022,30(4):1435-1450
Journal of Polymers and the Environment - The transition from fossil-based to bio-based materials requires in-depth environmental durability analysis for material engineering and construction... 相似文献
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