-
δ-六六六标准溶液,319-86-8,1000ug/ml in Purge and Trap Methanol
-
2,4'-滴滴涕标准溶液,789-02-6,1000ug/ml in Purge and Trap Methanol
-
甲醇中 6种农药混合标准溶液
-
正己烷甲苯混合溶剂中β-六六六
-
β-六六六标准溶液,319-85-7,analytical standard,100ug/ml in methanol
-
β-六六六标准溶液,319-85-7,analytical standard,50ug/ml in methanol
-
β-六六六标准溶液,319-85-7,1000ug/ml in Purge and Trap Methanol
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油麦菜中六六六质控样
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甲氧滴滴涕标准溶液,72-43-5,1000ug/ml in Purge and Trap Methanol
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异辛烷中α-六六六标样
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