Manganese Dioxide 80%, black color, mesh 20 x 40 (consistency of fine sand). May be used as filter to remove iron, manganese and hydrogen sulfide from water. Also used as a catalyst in decomposition of hydrogen peroxide and making oxygen gas. Â
| Weight | 3 lbs |
|---|---|
| Dimensions | 6 × 6 × 6 in |
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Ammonium Nitrate, 99%+, 10 Lbs.
Sodium Thiosulfate, Anhydrous 
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