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        Product name Specifications Packing Unit price / yuan
        Methyl orange xylene cyanide labeled solution
        Mixed standard of m-cresol, dichlorophenol and trichlorophenol
        Mixed standard of m-cresol, dichlorophenol and trichlorophenol
        Methyl red labeled solution
        Methyl red-methylene blue standard solution
        Methylsulfonic acid standard solution
        Methyl red ethanol solution
        Methyl red-methylene blue indicator
        Crystal violet dye solution 100ml
        Alkali blue 6B standard solution
        Sodium pyrophosphate standard solution 500ml/bottle
        Formaldehyde standard liquid
        Formaldehyde Determination of Sulfur Dioxide Match 8 bottles/set
        Ethyl acetate standard solution
        Stearic acid standard solution
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