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    Cetane, isooctane, benzene 2.7258101851852 5ml
    Trichloroacetic acid standard solution 500ml
    Sodium periodate standard solution
    Three mixtures of calcein
    Diphenylcarbazone-bromophenol blue 100ml
    Diethylene glycol standard solution HPLC 500ml
    Diethylene glycol butyl ether B = triB = 0.05% 5ml
    Sulfur dioxide saturated liquid CP 500ml
    Water quality improver 250g 250g
    Sulfur dioxide standard solution
    Manganese dioxide standard solution 4N 10g
    Titanium dioxide standard solution 0.1 mg/ml 50ml
    Tin dioxide standard solution 4N 5g
    Phenanthrene-labeled solution GCS 1.0 g
    5% formalin solution
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