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    Product name Specifications Packing Unit price / yuan
    Nicotinamide 99.0/2 g
    Watanabe Red Label Liquid
    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
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