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六氯乙烷标准溶液,67-72-1,1000μg/ml,in Purge and Trap Methanol
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丙草胺标准溶液,51218-49-6,analytical standard,10μg/ml in methanol
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丙草胺标准溶液,51218-49-6,analytical standard,100μg/ml in methanol
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苯并(a)芘标准溶液,50-32-8,2000μg/ml in Toluene
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二苯肼标准溶液,122-66-7,1000μg/ml,in Purge and Trap Methanol
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丙二腈标准溶液,109-77-3,1000μg/ml,in Purge and Trap Methanol
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邻甲苯胺标准溶液,95-53-4,1000μg/ml,in Purge and Trap Methanol
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alpha-六六六标准溶液,319-84-6,100 μg/mL in methanol
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克螨特标准溶液,2312-35-8,analytical standard,100μg/ml in methanol
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克螨特标准溶液,2312-35-8,analytical standard,10μg/ml in methanol
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