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      Standard substance and standard solution

      Product name Specifications Packing Unit price / yuan
      Standard visa 7-200
      P-methoxybenzoic acid
      Anthracene
      P-nitrobenzoic acid
      Naphthylamine hydrochloric acid standard solution 50ml
      Naphthalene
      Melting point reference material
      Calcium hydroxide PH = 12.40 ± 0.02 25 ° C 500ml
      Oil bromine valence standard liquid 100ml
      Lithium bromide standard solution 50ml
      Cobalt chloride standard solution 500ml
      2.4-Dichloro standard liquid 50ml
      Isobutanol isoamyl alcohol standard solution 5ml
      Isobutanol standard solution 50ml
      Isopropanol-ethanol standard solution 50ml
      579 Records 12345 39

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