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正己烷中7种多溴联苯醚混标溶液,100μg/mL in Hexane
-
外环氧七氯标准溶液,1024-57-3,analytical standard,100ug/ml in Petroleum ether
-
外环氧七氯标准溶液,1024-57-3,analytical standard,100ug/ml in Petroleum ether
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残杀威标准溶液,114-26-1,analytical standard,100ug/ml in acetone
-
p, p’-DDE标准溶液,72-55-9,analytical standard,100ug/ml in petroleum ether
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γ-六六六标准溶液,58-89-9,analytical standard,100ug/ml in methanol
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3.4.5-混杀威 Witega-PS185-20mg
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钴标准溶液,7440-48-4,analytical standard ,100ug/ml in 1%HNO3
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γ-六六六标准溶液,58-89-9,analytical standard,100ug/ml in petroleum ether
-
氯苯嘧啶醇标准溶液,60168-88-9,analytical standard,100ug/ml in methanol
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