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大米粉中的4,4'-滴滴涕质控样 BQC1011121641
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2,4`-滴滴伊 Bepure-GBW(E)082587
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First Standard® 正己烷中4种农药混标溶液1,含等量的以下品种:4,4’-滴滴伊,2,4’-滴滴涕,4,4’-滴滴滴,4,4’-滴滴涕,100μg/mL
4 Organochlorine Insecticide Mix Solution, 100μg/mLFirst Standard®天津
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First Standard® 正己烷中4种农药混标溶液1,含等量的以下品种:4,4’-滴滴伊,2,4’-滴滴涕,4,4’-滴滴滴,4,4’-滴滴涕,1000μg/mL
4 Organochlorine Insecticide Mix Solution in Hexane, 1000μg/mLFirst Standard®天津
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First Standard® 丙酮中4种农药混标溶液1,含等量的以下品种:4,4’-滴滴伊,2,4’-滴滴涕,4,4’-滴滴滴,4,4’-滴滴涕,100μg/mL
4 Organochlorine Insecticide Mix Solution in Acetone, 100μg/mLFirst Standard®天津
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2,4滴 BePure-21581-250mg
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First Standard® 4,4’-滴滴伊
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First Standard® 正己烷中4, 4’-滴滴滴溶液,100μg/mL
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2.4`-滴滴滴 BePure-21627
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4,4'-滴滴涕,50-29-3,分析标准品
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