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多环芳烃混标PAH-Mix61(US EPA 16),16个品种丙酮/甲醇溶液
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多环芳烃混标PAH-Mix61(US EPA 16)
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多环芳烃混标PAH-Mix9-(US EPA 16)
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多环芳烃混标PAH-Mix9-(US EPA 16),200ug/ml each component in Acetonitrile, analytical standard
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多环芳烃混标PAH-Mix9-(US EPA 16),2000ug/ml each component in Benzene : methylene chloride ( 1:1 )
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EPA method 200.8 standard A EPA 州标准品
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EPA method 200.7 plasma EPA 州标准品
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多氯联苯1248,Concentration:1,000ug/ml in high-purity Hexane;US EPA Methods:625,8270C
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多氯联苯1221,Concentration:1,000ug/ml in high-purity Hexane;US EPA Methods:625,8270C
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多氯联苯 1016,Type:Concentration:1,000ug/ml in high-purity Hexane;US EPA Methods:625,8270C
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