-
多氯联苯(Aroclor 1242)标样,53469-21-9,analytical standard,100ug/mL in methanol
-
3,3-二氯联苯胺
-
3,3-二氯联苯胺标准溶液,91-94-1,1000μg/ml,in Purge and Trap Methanol
-
正己烷中五氯硝基苯溶液,82-68-8,100μg/mL in Hexane,不确定度:3%
-
多氯联苯(Aroclor 1248)标样,12672-29-6,analytical standard,100ug/mL in methanol
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3,3-二氯联苯胺标准溶液
-
3,3′-二氯联苯胺 二盐酸盐
-
联苯二氯苄
-
外环氧七氯标准溶液,1024-57-3,analytical standard,100ug/ml in Petroleum ether
-
外环氧七氯标准溶液,1024-57-3,analytical standard,100ug/ml in Petroleum ether
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