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Scouring StagesUsing VERSENE* chelating agents in all cleansing and preparation stages of textile finishing operations will increase cleaning stage effectiveness and remove metal ions which are harmful in subsequent bleaching and dyeing operations. VERSENE 100 chelating agent is recommended for the control of hardness ions above a pH of 6.0; most divalent heavy metal ions throughout the pH range; and ferric ions to below a pH of 8.0. Dow Chelating Agents for Scouring Stages
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