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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® 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® 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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4种滴滴涕混标
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2,4'-滴滴涕
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2,4'-滴滴涕标准溶液
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4种滴滴涕混标 BePure-30924XZ
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2,4'-滴滴涕标准溶液,789-02-6,1000ug/ml in Purge and Trap Methanol
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大米粉中的4,4'-滴滴涕质控样
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First Standard® 甲苯中4, 4’-滴滴伊溶液, 1000μg/mL
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