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2. Copper(II) sulfate - Wikipedia

   en.wikipedia.org/wiki/Copper(II)_sulfate

   Copper(II) sulfate is an inorganic compound with the chemical formula Cu SO 4.It forms hydrates CuSO 4 ·nH 2 O, where n can range from 1 to 7. The pentahydrate (n = 5), a bright blue crystal, is the most commonly encountered hydrate of copper(II) sulfate, [10] while its anhydrous form is white. [11]

3. Chalcanthite - Wikipedia

   en.wikipedia.org/wiki/Chalcanthite

   Chalcanthite is a pentahydrate and the most common member of a group of similar hydrated sulfates, the chalcanthite group. These other sulfates are identical in chemical composition to chalcanthite, with the exception of replacement of the copper ion by either manganese as jokokuite, iron as melanterite, or magnesium as pentahydrite. [5]

4. Algaecide - Wikipedia

   en.wikipedia.org/wiki/Algaecide

   Barley straw, in England, is placed in mesh bags and floated in fish ponds or water gardens to help reduce algal growth without harming pond plants and animals. Barley straw has not been approved by the United States Environmental Protection Agency (EPA) for use as a pesticide and its effectiveness as an algaecide in ponds has produced mixed results during university testing in the United ...

5. Copper(I) sulfate - Wikipedia

   en.wikipedia.org/wiki/Copper(I)_sulfate

   Copper(I) sulfate, also known as cuprous sulfate, is an inorganic compound with the chemical formula Cu 2 SO 4. It is a white solid, in contrast to copper(II) sulfate, which is blue in hydrous form. Compared to the commonly available reagent, copper(II) sulfate, copper(I) sulfate is unstable and not readily available. [1]

6. Copper pesticide - Wikipedia

   en.wikipedia.org/wiki/Copper_pesticide

   Copper ions release more readily under acidic conditions and copper pesticides, except copper sulfate pentahydrate, should not be used with acid forming products. [10] Copper fungicides can be highly effective if applied prophylactically and with complete coverage of all plant foliar surfaces, including the undersides of leaves where the ...

7. List of CAS numbers by chemical compound - Wikipedia

   en.wikipedia.org/wiki/List_of_CAS_numbers_by...

   Chemical formula Synonyms CAS number H 2 O: water: 7732–18–5 H 2 SO 4: sulfuric acid: 7664–93–9 H 3 BO 3: boric acid: 10043–35–3 HfB 2: hafnium boride: 12007–23–7 HfBr 4: hafnium bromide: 13777–22–5 HfC: hafnium carbide: 12069–85–1 HfCl 4: hafnium chloride: 13499–05–3 HfF 4: hafnium(IV) fluoride: 13709–52–9 HfH 2 ...

8. List of copper salts - Wikipedia

   en.wikipedia.org/wiki/List_of_copper_salts

   Copper is a chemical element with the symbol Cu (from Latin: cuprum) and the atomic number of 29. It is easily recognisable, due to its distinct red-orange color . Copper also has a range of different organic and inorganic salts , having varying oxidation states ranging from (0,I) to (III).

9. Water of crystallization - Wikipedia

   en.wikipedia.org/wiki/Water_of_crystallization

   Crystals of hydrated copper(II) sulfate consist of [Cu(H 2 O) 4] 2+ centers linked to SO 2− 4 ions. Copper is surrounded by six oxygen atoms, provided by two different sulfate groups and four molecules of water. A fifth water resides elsewhere in the framework but does not bind directly to copper. [6]