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甲醇中甲基立枯磷溶液,57018-04-9,100μg/mL in Methanol,不确定度:3%
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甲醇中敌瘟磷溶液,17109-49-8,1000μg/mL in Methanol,不确定度2%
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甲醇中敌瘟磷溶液,17109-49-8,100μg/mL in Methanol,不确定度3%
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p,p’-DDD标准溶液,72-54-8,1000ug/ml in Purge and Trap Methanol
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p,p’-DDT标准溶液,50-29-3,analytical standard ,50.0ug/mL in Toluene:Methanol(volume ratio 1:4)
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PAMAM树枝状聚合物,155773-72-1,ethylenediamine core, generation 0.0 solution, 20wt. % in methanol
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蚜灭磷标准溶液,2275-23-2,0.100mg/ml in methanol
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9(S)-HODE,73543-67-6,A solution in ethanol,≥98%
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p,p’-DDT标准溶液,50-29-3,1000ug/ml in Purge and Trap Methanol
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109012 纳氏试剂B for determination of nitrogen solution B: Sodium hydroxide solution
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