Copper sulfide. Copper(II) sulfide (CuS) in a watch glass. Tarnished manganese (Mn) metal chunks in a watch glass. When exposed to air for a long time, manganese tarnishes (oxidizes) to manganese(II, III) oxide (Mn3O4). The oxide has an appearance similar to iron rust.
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Details
Creative#:
TOP22305683
Source:
達志影像
Authorization Type:
RM
Release Information:
須由TPG 完整授權
Model Release:
N/A
Property Release:
No
Right to Privacy:
No
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