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Statistical evaluation of recovery of 3,4-dichloroaniline in soil as function of particle size and analyte
1Dipartimento di Scienze dell'Ambiente e della Vita, Università del Piemonte Orientale Amedeo Avogadro, Spalto Marengo 33, 15100 Alessandria, Italy.
Abstract:
A great mean value of recovery for extraction of 3,4-dichloroaniline from a soil is calculated from individual recovery values evaluated for four different fractions of the soil. Then the uncertainty associated to this great mean recovery is calculated and used to know whether to apply or not the correction in routine analysis performed for the same kind of soil and the same analyte. The most representative fractions that, as a function of particle size, can be identified in a soil are: sand (2.000-0.063mm), coarse silt (0.063-0.020mm), fine silt (0.020-0.002mm) and clay (
