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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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