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Manganese Salts

With solutions try to reduce the quantity to save money

Pure compounds

Dispose pure compounds in a separate bottle. Small quantities may be flushed down the drain.


To save weight and money a precipitation of the manganese compouns may be meaningful. On adding hydrogen peroxide to an aqueous solution of manganese compounds all of them are uniformly transformed to manganese dioxide. (Be careful! With permanganate the solution must be very diluted. Otherwise the rection may be explosively.)

The precipitated manganese dioxide is filtered off and dryed. Check the filtrate if the manganese is completely removed.