wosiness granule crystal , deliquesced in air. easily soluble in water and alcohol. poisonous.
the material of manganese dioxide, ceramic and resistance
1, Assay Mn(NO3)2. 49-51%min 2, Assay Mn(NO3)2. 61-62%min 3, Assay Mn(NO3)2. 70-72%min 4, Assay Mn(NO3)2. 75%min 5, Assay Mn(NO3)2. 77-79%min
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