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对羟基苯甲酸正丁酯,94-26-8,分析标准品,>99.5%(GC)
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顺式-5,8,11,14,17-二十碳五烯酸(EPA),10417-94-4,分析标准品
-
扑草净标准溶液,7287-19-6,1000ug/ml in Purge and Trap Methanol
-
氟乐灵标准溶液,1582-09-8,1000ug/ml in Methanol
-
苯胺标准溶液,62-53-3,analytical standard,1000ug/ml in methanol
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β-硫丹标准溶液,33213-65-9,1000ug/ml in Purge and Trap Methanol
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a-硫丹标准溶液,959-98-8,1000ug/ml in Purge and Trap Methanol
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反式-九氯标准溶液,39765-80-5,1000ug/ml in Purge and Trap Methanol
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甲草胺标准溶液,15972-60-8,1000ug/ml in Purge and Trap Methanol
-
顺-九氯标准溶液,5103-73-1,1000ug/ml in Purge and Trap Methanol
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