Abstract
Summary
Copolymer and glass beads were separated by sieving into uniform sizes. When packed in columns, they provided sieves with pore spaces of about 15% the diameter of the beads. Sharp cutoff points allowed for the removal of larger particulates and the isolation of those of a chosen size range. Differential filtration of cat coccidia varying in size provided a characterization of the filter's utility in the 8 to 40 μ range.
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