Example 4
Molded sintered polyethylene rods approximately 5 mm diameter and 21 mm length rods were coated with a monomer solution containing 2.0 parts n-heptane and 1.0 part DVB (80% purity) with 1% AIBN (of the divinylbenzene mass). Rods of three different porosities A, B and C were coated with the monomer solution and tested with 3 mL of 10 ppm Nile Blue A for adsorption efficiency. The adsorption efficiency was measured by determining the difference in the visible absorbance of the original dye solution and the dye solution after the coated rods (probes) was placed in contact and agitated for 60 minutes. The results are shown in the table below.
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