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钴标准溶液,7440-48-4,analytical standard ,100ug/ml in 1%HNO3
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外环氧七氯标准溶液,1024-57-3,analytical standard,100ug/ml in Petroleum ether
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外环氧七氯标准溶液,1024-57-3,analytical standard,100ug/ml in Petroleum ether
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倍硫磷标准溶液,55-38-9,analytical standard,10ug/ml in acetone
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氰戊菊酯标准溶液,51630-58-1,analytical standard,100ug/ml in petroleum ether
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铬标准溶液,7440-47-3,analytical standard,100ug/ml in water
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氯苯嘧啶醇标准溶液,60168-88-9,analytical standard,100ug/ml in methanol
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仲丁威
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伏杀硫磷标准溶液,2310-17-0,analytical standard,10μg/ml in acetone
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伏杀硫磷标准溶液,2310-17-0,analytical standard,100μg/ml in acetone
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