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Performance of a reciprocal shaker in mechanical dispersion of soil samples for particle-size analysis
Provedor de dados: Revista Brasileira de Ciência do Solo
Autores: Dourado,Thayse Aparecida; Silva,Laura Fernanda Simões da; Marinho,Mara de Andrade.
The dispersion of the samples in soil particle-size analysis is a fundamental step, which is commonly achieved with a combination of chemical agents and mechanical agitation. The purpose of this study was to evaluate the efficiency of a low-speed reciprocal shaker for the mechanical dispersion of soil samples of different textural classes. The particle size of 61 soil samples was analyzed in four replications, using the pipette method to determine the clay fraction and sieving to determine coarse, fine and total sand fractions. The silt content was obtained by difference. To evaluate the performance, the results of the reciprocal shaker (RSh) were compared with data of the same soil samples available in reports of the Proficiency testing for Soil Analysis...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Soil texture; Pipette method; Mechanical dispersion; Accuracy analysis.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832012000400008