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Updated: June 6, 2025
Proceed with the solution of the ore, and the treatment of the residue, if necessary, exactly as described for the bichromate process on page 56. Ferric sulphate separates at this point, since there is no water to hold it in solution and care is required to prevent bumping. !Zimmermann-Reinhardt Procedure! PROCEDURE. Grind the mineral to a fine powder.
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