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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
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      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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