Hydrophobization of the Soil by Dodecylammonium Hydrochloride and Changes of the Components of Its Surface Free Energy

Jańczuk, Bronisław; Hajnos, M.; Białopiotrowicz, Tomasz; Kliszcz, A.; Biliński, Bogdan

doi:10.1097/00010694-199011000-00001

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“…Introducing Equation (2) into Equation (5) for n, =O (Fowkes, 1964;Janczuk et al, 1990), we From Equation (6), it can be seen that, when x and dare constant, F=f(y:,y:).…”

Section: R E S U L T S a N D Discussionmentioning

confidence: 99%

The influence of soil clay constituents on surface free energy of clay fractions

Jańczuk

Białopiotrowicz

Zdziennicka

et al. 1992

Journal of Soil Science

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Measurements were made of the contact angle for glycerol, di-iodomethane and cisdecalin drops settled on the surface of pellets prepared from sodium forms ofclay fractions of soils before and after successive removal of organic matter, iron and aluminium. On the basis of contact angles thus measured and a modified Young equation, the dispersive and non-dispersive components of the surface free energy of the clay fractions were calculated. It was found that the non-dispersive component decreased linearly with an increase in organic matter content, and with Fe and A1 in the clay fractions of the soils studied. However, the dispersive component was not dependent on organic matter content, but decreased with increasing content of Fe and A1 in the clay fractions studied.

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“…Introducing Equation (2) into Equation (5) for n, =O (Fowkes, 1964;Janczuk et al, 1990), we From Equation (6), it can be seen that, when x and dare constant, F=f(y:,y:).…”

Section: R E S U L T S a N D Discussionmentioning

confidence: 99%