3. collect samples at 0, 2, 5, 15, 25, 40, 60, 90 and 120 minutes, respectively. 4. filter the aqueous solution with a Syringe filter 0.45 PP filter, micron-sized lead solution through the filter, and then to an absorption measurements using a Spectrophotometer.5. bring up the absorption of light. Calculate the Reactive dye adsorption performance Red-159
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