Spreading of spray mixtures on leaf surfaces: II. cohesive interaction parameters as predictors of spreading and the effect of molar volume and roughness on spreading.

Autor: Abbott, Henry A.1, Van Dyk, Louis P.1, Grobbelaar, Nathanaël2
Předmět:
Zdroj: Pesticide Science. 1990, Vol. 28 Issue 4, p431-448. 18p.
Abstrakt: Partial cohesive interaction parameters as predictors of the spreading of spray mixtures were investigated. Multiple linear regression of the inverse of the area of spread, 1/A , for leaf surfaces on the partial cohesive interaction parameters of pure liquids gave a good fit (r2 > 0-90) on virtually all tested surfaces. The coefficients obtained from the regression analysis could be used to describe the spreading properties of each surface uniquely. Regression of 1/A for an unknown liquid on the coefficients of known surfaces could, conversely, be used to obtain the cohesive interaction parameters of the unknown liquid. A linear relationship was observed between the calculated energy of adsorption and the inverse of the area of spread. An increase in molar volume caused a decrease in the slope of the regression line and an increase in roughness caused a similar, but more pronounced, decrease. [ABSTRACT FROM AUTHOR]
Databáze: GreenFILE
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