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        Phosphoric Acid Industrial Grade

        Molecular Formula:H3PO4
        Molecular Weight:97.99
        CAS NO.:7664-38-2
        Standard executed:GB/T 2091-2008

        Appearance:Colorless, transparent and syrupy liquid.
        Usage: Used as cleaner for printing circuit and used in electoplating,polishing,also for use of producing a variety of phosphates.
        Packaging: 20L,200L plastic drums,iron+plastic drums,tanks or according to customer's demand.

        ■Specification

        Item  Industrial Grade 
        85% Phosphoric acid  75% Phosphoric acid
        Excellent class  First class  Qualified Excellent class  First class  Qualified
        Colority ≤ 20 30 40 20 30 40
        Main contents,w/% ≥  85.0 85.0 85.0 75.0 75.0 75.0
        Chloride(as Cl),w/% ≤ 0.0005 0.0005 0.0005 0.0005 0.0005 0.0005
        Sulphate(as SO4計),w/% ≤ 0.003 0.005 0.01 0.003 0.005 0.01
        Iron(as Fe),w/% ≤ 0.002 0.002 0.005 0.002 0.002 0.005
        Arsenic(as As),w/% ≤ 0.0001 0.005 0.01 0.0001 0.005 0.01
        Heavy metals (as Pb),w/% ≤ 0.001 0.001 0.005 0.001 0.001 0.005

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