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    Product name Specifications Packing Unit price / yuan
    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
    Sodium hypochlorite standard solution
    Potassium oxalate standard solution
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