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MANGANOUS CARBONATE MSDS TDS COA

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MANGANOUS CARBONATE MSDS TDS COA
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MANGANOUS CARBONATE MSDS TDS COA

 

Phosphorous grade Manganese carbonate product Identification

erik@nbschem.com

Synonyms: Manganese carbonate; carbonic acid, manganese (2+) salt (1:1); rhodochrosite

CAS No.: 598-62-9

Molecular Weight: 114.94

Chemical Formula: MnCO3

Previous methods for preparing the phosphates of manganese have been concerned with the treatment of manganese alloy or of manganese 2o ore with phosphoric acid, followed by crystallization of manganese phosphate. Othermethods mentioned in the literature involve the treatment of rhodochrosite, a natural carbonate of manganese, with phosphoric acid, or the treatment of pyrolusite in similar manner. These methods are unsatisfactory for the present purpose for the reason that the reactivity of these forms of manganese is low, the reaction requiring an excess of acid or a high temperature, and consequently resulting in loss of phosphoric acid and manganese. For these and other reasons, a more eificient method for the production of the phosphates of manganese was greatly to be desired. In conducting experiments to produce the phosphates of manganese from a manganese alloy or ore and phosphoric acid, I have discovered that if I first produce a soluble manganese salt by reaction of an acid withthe manganese source material, I may precipitate a pure insoluble carbonate of manganese which is in such a reactive form that further treatment with phosphoric acid to produce one or more of the manganous orthophosphates is an extremely simple and efficient procedure.

erik@nbschem.com

Pub Time : 2018-11-08 15:42:42 >> News list
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