Chlelating disks were swollen with methanol and conditioned successively with 2.5 mL of deionized water, 5 mL of a 0.1 mol/L ammonium acetate solution, and 2.5 mL of deionized water.
Chlelating disks were swollen with methanol and conditioned successively with 2.5 mL of deionized water, 5 mL of a 0.1 mol/L ammonium acetate solution, and 2.5 mL of deionized water.