The magnetic stir bar as a {source|supply} of impurities in laboratory blank {solutions|options} {of the|from the|in the|on the|with the|of your} environmental samples subjected to microwave-assisted acid digestion
Teflon-coated magnetic stir bars are suspected {to be|to become} a {source|supply} of impurities for the laboratory blank {solutions|options}. To evaluate the {ability|capability|capacity|potential} of magnetic bars to absorb and release {different|various|distinct|diverse|unique|distinctive}…