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Continue to ChatFactorial experimental design for optimizing the removal of lead ions from aqueous solutions by cation exchange resin - https://avesis.ogu.edu.tr/yayin/b5506e71-a8df-414f-9224-026a01c98fd4/factorial-experimental-design-for-optimizing-the-removal-of-lead-ions-from-aqueous-solutions-by-cation-exchange-resin