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Ferric Trichloride

Issuing time:2020-08-30 08:19


Ferric chloride, chemical formula FeCl3. It's a covalent compound. It is black brown crystal, also has sheet shape, melting point 306 ℃, boiling point 316 ℃, soluble in water and has strong water absorption, can absorb moisture in the air and deliquescence. FeCl3 precipitates from aqueous solution with six crystals. The water is FeCl3 · 6H2O, and ferric chloride hexahydrate is orange crystal. Ferric chloride is a very important iron salt.


It is mainly used for metal etching and sewage treatment. The etching includes etching of copper, stainless steel, aluminum and other materials. It has the advantages of good effect and low price for raw water treatment with low oil content, but it brings yellow water color. It is also used for printing and dyeing cylinder engraving, electronic industrial circuit board and fluorescent digital cylinder production. The construction industry is used to prepare concrete to enhance its strength, corrosion resistance and water resistance. It can also be compounded with ferrous chloride, calcium chloride, aluminum chloride, aluminum sulfate, hydrochloric acid, etc. it can be used in inorganic industry to make other iron salts and inks. The dyestuff industry is used as an oxidant in the process of dyeing. The printing and dyeing industry is used as a mordant. It is used as chlorination extractant for gold and silver extraction in metallurgical industry. Organic industry is used as catalyst, oxidant and chlorination agent. The glass industry is used as a hot colorant for glassware. Soap making industry is used as coagulant for recovering glycerol from waste soap liquor.

Another important use of ferric chloride is metal etching, etching products such as: spectacle frame, clock, electronic components, signs and nameplates.

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