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    4-Propyl-4 '-Cyanophenylcyclohexane 50g
    Activated carbon tube tetrachloroethylene control standard sample
    Composite electrode replenishment solution 3.3 mol/L 500ml
    Potassium fluoride standard solution 3.3 mol/L 500ml
    Fluorinated sodium standard solution
    Fluoride ion standard solution
    Phenolphthalein standard liquid
    Aluminum cleaning agent 25kg/barrel
    Quinolybdenum Caraginone 100ml
    Perlin's reagent I 250ml
    Perlin's reagent Ⅱ 250ml
    Potassium hydroxide-methanol standard solution
    Potassium hydroxide isopropanol standard solution
    Potassium hydroxide-ethanol standard solution
    Rhodamine B dye solution Barrel

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