Activating agent

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  1. A substance that when added to a mineral pulp promotes flotation in the presence of a collecting agent. Syn: activator
  2. Reagent used particularly in differential mineral flotation to help cleanse the mineral surface so that a collector may adhere to it and permit or aid its floatability. Frequently used to allow floating minerals that had been previously depressed. Mitchell
    Source: Dictionary of Mining, Mineral, and Related Terms

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