Copper sulfate solution

Sky blue solution

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copper sulphate Solution (CuSO four ）It is a solution of copper sulfate dissolved in water sky blue Solution, weakly acidic, the same as Limewater Mixed available Bordeaux liquid , used as a bactericide.

Chinese name: Copper sulfate solution
Appearance: Blue solution

Application: Sterilization Bordeaux liquid
Acid-base property: acidic
Main components: CuSO four

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physical property

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Most are blue solutions. When the concentration is high, the solution is green and the solid absorbs water.

chemical property

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Can occur with more active metals Displacement reaction , for example:

Main purpose

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Industrial use

For manufacturing others Copper salt as Cuprous chloride 、 Cupric chloride 、 Copper pyrophosphate 、 Cupric acetate 、 Cupric carbonate Etc. dyestuff And pigment industry for manufacturing copper containing sheet azo dye Such as reactive brilliant blue, reactive purple, etc.

Analytical reagent

Several chemical analysis Copper sulfate is required. It is used for Fehling's solution and Bannister's reagent Test reducing sugar in. In the reaction, bivalent Copper ion It is reduced to a univalent insoluble red precipitate Cuprous oxide 。 Copper sulfate can also be used for Biuret reagent Used to detect protein 。

Copper sulfate can be used for inspection anemia 。 Drop the blood sample into the copper sulfate solution. If the blood sample contains enough hemoglobin , the blood sample will sink rapidly; If the hemoglobin content is not enough, the blood sample will be suspended in the solution.

Flame reaction Medium copper sulfate Turquoise , much bluer than barium ion.

Organic synthesis

copper sulphate It can be used in organic synthesis. Anhydrous salt for catalytic conversion Acetal reaction 。 Anhydrous salt and potassium permanganate The reaction produces an oxidant for Primary alcohol Conversion of. The organic industry uses Synthetic perfume and Dye intermediate Catalyst, Methyl methacrylate Of Polymerization inhibitor 。

medical

Copper sulfate can also be used as Emetic It is now considered that this method is too toxic. But it is still world health organization ATC code (V03) antidote 。

Agriculture

Copper sulfate can be used to kill fungi, and Limewater Generate after mixing Bordeaux liquid , used as a bactericide to control lemon Grape Such as fungi on crops. dilute solution be used for aquarium Sterilization and removal in snail 。 Since copper ion is toxic to fish, the dosage must be strictly controlled. Most fungi can be killed with very low concentration of copper sulfate, Escherichia coli It can also be controlled. In addition, aquaculture is also used as feed additive Main raw material of trace element copper.

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