Replacing the (inefficient) manual runoff sampling method used in Brazil a prototype sample splitter

Samuel-Rosa, AlessandroMoura-Bueno, Jean MichelDalmolin, Ricardo Simão Diniz

) and the variation between five replicates (CV < 3 %) were small. The problems with the manual method are due to the inefficient homogenization that facilitates the differential sedimentation of particles of different sizes. If these problems are also found in other areas, then the prototype that we developed is a reasonable alternative.(AU)^ien