Importance

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Abstract

An aqueous solution containing a new ferric ferrous salt Fe.sub.2 Cl.sub.5 and a method of producing the same are provided. Said aqueous solution contianing said Fe.sub.2 Cl.sub.5 may include both the aqueous solution of said Fe.sub.2 Cl.sub.5 and the aqueous mixture of said Fe.sub.2 Cl.sub.5 and a salt of alkali metals or a compound containing a metal which belongs to zinc family. A method of producing said Fe.sub.2 Cl.sub.5 comprises dissolving ferric chloride into aqueous solution of sodium hydroxide and then neutralizing said resulting aqueous solution by hydrochloric acid or dissolving ferrous sulfate into aqueous solution of hydrochloric acid, and a method of producing said aqueous mixture comprises adding said Fe.sub.2 Cl.sub.5 into an aqueous solution of strong acid and then adding a salt of alkali metals or a compound containing a metal which belongs to zinc family. Said aqueous solution containing said Fe.sub.2 Cl.sub.5 may be very useful in a wide variety of fields, such as water cleaning, keeping freshness of vegetation, antisepsis, antifungi, antibacteria, rust preventing, effluent treatment, soil improvement, ionization control, feed enriching, petroleum improvement, antistatic technique, and the like.

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