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甲醇中啶酰菌胺溶液,188425-85-6,1000μg/mL in Methanol,uncertainty 2%
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甲醇中二苯胺溶液,122-39-4,100μg/mL in Methanol,不确定度3%
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甲醇中二苯胺溶液,122-39-4,1000μg/mL in Methanol,不确定度2%
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alpha-六六六标准溶液,319-84-6,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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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
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p, p’-DDE标准溶液,72-55-9,analytical standard,100ug/ml in petroleum ether
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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
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