Manganese compounds on watchglasses. The colours and appearance show the difference in oxidation state of the manganese in potassium manganate (VII) (KMnO4, lower left), manganese (IV) oxide (MnO2, upper centre), and manganese (II) sulphate (MnSO4, lower right).
| px | px | dpi | = | cm | x | cm | = | MB |
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Creative#:
TOP10165827
Source:
達志影像
Authorization Type:
RM
Release Information:
須由TPG 完整授權
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N/A
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N/A
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No
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