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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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