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Molecular sieves， 4Å,<50μm, powder, 100g
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2，4，4 ‘- trichlorobi
phenyl standard solution,35μg/mL in Isooctane, 1ml
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2，4，4 ‘- trichlorobi
phenyl standard solution,20μg/mL in Isooctane, 1ml
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2，4，4 ‘- trichlorobi
phenyl standard solution,10μg/mL in Isooctane, 10ml
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2，4，4 ‘- trichlorobi
phenyl standard solution,2μg/mL in Isooctane, 10ml
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2，4，4 ‘- trichlorobi
phenyl standard solution,0.5μg/mL in Isooctane, 10ml
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2，4，4 ‘- trichlorobi
phenyl standard solution,1000μg/mL in Hexane, 1ml
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2，4，4 ‘- trichlorobi
phenyl standard solution,100μg/mL in Hexane, 1ml
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2，4，4 ‘- trichlorobi
phenyl standard solution,100μg/mL in Methanol, 1ml
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1，2-dichloroethane standard solution,5000μg/mL in Methanol, 2ml
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1，2-dichloroethane standard solution,2000μg/mL in Methanol, 2ml
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