Copper (II) Carbonate dihydroxide, CU 55% min

£7.25 to £99.95

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Variation ID		Product Code	Pack Size	List Price
6986	photo_camera	GPC3070-X	100g GPC3070-X	£7.25
6987	photo_camera	GPC3070-2X	250g GPC3070-2X	£9.95
6988	photo_camera	GPC3070-5X	500g GPC3070-5X	£16.15
6989	photo_camera	GPC3070-Y	1Kg GPC3070-Y	£22.95
18400	photo_camera	GPC3070-2.5Y	2.5Kg GPC3070-2.5Y	£47.95
6990	photo_camera	GPC3070-5Y	5Kg GPC3070-5Y	£99.95

Basic copper carbonate normally refers to the compound (Cu₂(OH)₂CO₃) (the mineral malachite). Sometimes the name is used for Cu₃(OH)₂(CO₃)₂ (the related mineral azurite).

Malachite and azurite can be found in the verdigris patina that is found on weathered brass, bronze, and copper.

The composition of the patina can vary, in a maritime environment depending on the environment a basic chloride may be present, in an urban environment basic sulfates may be present.

Minimum Assay: >95%
Molecular Formula: CuCO₃.Cu(OH)₂
Molecular Weight: 221.10
Solubility in water (% weight): Insoluble in water
Melting Point: 200° dec.
Copper (Cu): 53-55%
Chloride (Cl): <0.05%
Sulphate (SO₄): <0.05%
Insoluble in H₂SO₄: <0.05%