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      Product name Specifications Packing Unit price / yuan
      Ethyl acetate standard solution
      Stearic acid standard solution
      N-propanol standard solution
      N-butanol standard solution
      Neutral red labeled solution
      Ethyl carbamate standard solution
      Ammonia triacetic acid standard solution
      Benzotriazole standard solution
      Benzene, carbon disulfide and thiophene mixed standard 5ml (3ppm)
      Propionic acid standard solution
      Glacial acetic acid labeling
      Glacial acetic acid-triethylamine mixture 500ml
      Mixed standard of eight alcohols
      Benzene-n-hexane mixed standard 5ml
      Hypochloric acid standard solution
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