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      Product name Specifications Packing Unit price / yuan
      Diphenylcarbazone-bromophenol blue standard solution 100ml
      Tannic acid standard solution 0.1 mg/ml 50ml
      Indigo labeled solution 0.1 mg/ml 50ml
      Succinic acid standard solution 0.1 mg/ml 50ml
      Red bright red labeling liquid 0.1 mg/ml 50ml
      Bromothymol blue solution 100ml
      Bromothymol blue-methyl red solution 0.1% 100ml
      Saccharin sodium-sorbic acid-benzoic acid mixed standard solution 50ml
      Litmus chromogenic solution 50ml
      Acid indigo blue and sodium sulfonate color developing solution 500ml
      Methyl green-acetic acid solution 50ml
      Methylene blue chromogenic solution 100ml
      Bromocresol violet color developing solution 100ml
      Bromocresol green ethanol solution
      Bromocresol green-methyl red indicator 100ml
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