The effects of grinding methods on metals concentrations in soil
WEBOct 19, 2008 · Section snippets Materials and methods. Three different grinding procedures, all using nonmetallic grinding surfaces and containers: (1) mortar and pestle (MP), (2) roller mill (RM) and (3) pulvisette (PS) were investigated; three different solid materials were used: (1) Ottawa Sand (2) Waterways Experiment Station (WES) soil .