-
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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氯甲烷标准溶液,74-87-3,1000μg/ml,in Methanol
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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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Arochlor 1016 Solution in Hexane
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Arochlor 1016 Solution in Isooctane
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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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