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α-六六六标准溶液,319-84-6,1000ug/ml in Purge and Trap Methanol
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mix-64种半有机挥发物混标标准品 BW30877XD-1mL
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镨标准溶液,7440-10-0,1000ug/ml in 10%HCl
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紫草酸,28831-65-4,分析标准品,≥98%
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PCB No. 65标准品 BePure-26620XC
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δ-六六六标准溶液,319-86-8,1000ug/ml in Purge and Trap Methanol
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西玛津标准溶液,122-34-9,1000ug/ml in Acetone
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敌稗标准溶液,709-98-8,1000ug/ml in Purge and Trap Methanol
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毒死蜱标准溶液,2921-88-2,1000ug/ml in Methanol
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顺-九氯标准溶液,5103-73-1,1000ug/ml in Purge and Trap Methanol
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