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    Teaching reagent

    Product name Specifications Packing Unit price / yuan
    Polyethylene Teaching 250g
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    Phenolphthalein Indicator 25g
    Methyl orange Indicator 25g
    Magenta Indicator 25g
    PH wide range test paper 43844 Ben
    Blue litmus paper Ben
    Red litmus paper Ben
    Starch potassium iodide test paper Ben
    Qualitative filter paper 10*10cm Box
    Chromium trichloride Teaching 100g
    Sodium nitrite Teaching 500g
    Benzene Reagent 500ml
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