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Determination of Manganese Dioxide in Oceanic Polymetallic Nodules[J]. Rock and Mineral Analysis, 1997, (3): 177-179.
Citation: Determination of Manganese Dioxide in Oceanic Polymetallic Nodules[J]. Rock and Mineral Analysis, 1997, (3): 177-179.
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Determination of Manganese Dioxide in Oceanic Polymetallic Nodules

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  • An excess of (NH 4) 2Fe(SO 4) 2 containing H 2SO 4 is used to decompose oceanic polymetallic nodules and reduce MnO 2 in the samples. MnO 2 is determined by titrimetry with K 2Cr 2O 7. The effect of heating temperature and the time required in
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