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What uses of Manganese oxide, manganese dioxide or MnO2?

Manganese oxide pulverized by clirik Manganese oxide micronizer can be used in all kinds of areas.
Manganese oxide also be called as manganese dioxide, and MnO2, is used as a reagent in organic chemistry for the oxidation of benzylic alcohols. Manganese dioxide has been used since antiquity to oxidatively neutralize the greenish tinge in glass caused by trace amounts of iron contamination. is also used in the manufacture of oxygen and chlorine, and in drying black paints. In some preparations, it is a brown pigment that can be used to make paint and is a constituent of natural umber.
Manganese oxide was used in the original type of dry cell battery as an electron acceptor from zinc, and is the blackish material found when opening carbon–zinc type flashlight cells. The manganese dioxide is reduced to the manganese oxide-hydroxide MnO(OH) during discharging, preventing the formation of hydrogen at the anode of the battery.
Manganese compounds have been used as pigments and for the coloring of ceramics and glass. The brown color of ceramic is sometimes based on manganese compounds. In the glass industry, manganese compounds are used for two effects. Manganese reacts with iron to induce a strong green color in glass by forming less-colored iron(III) and slightly pink manganese, compensating for the residual color of the iron. Larger amounts of manganese are used to produce pink colored glass.
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