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First Standard® 2,2,3,4,4,5,5-七氯联苯
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First Standard® 2,2,4,5,5-五氯联苯
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四溴联苯醚 | 101-55-3 | 乐研
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正己烷中7种多溴联苯醚混标溶液,100μg/mL in Hexane
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First Standard® 异辛烷中4,4’-二溴联苯醚溶液,100μg/ml
4,4'-Dibromodiphenylether Solution in Isooctane, 100μg/mLFirst Standard®天津
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4,4′-联苯醚二酐,1823-59-2,95%
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4,4’-二溴联苯醚标准品
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4-溴-2-氟联苯
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First Standard® 甲苯中2,2’,3,3’,4,4’,5,5’,6-九溴联苯醚溶液,100μg/mL
2,2',3,3',4,4',5,5',6-Nonabromodiphenylether Solution in Toluene, 100μg/mLFirst Standard®天津
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4,4′-联苯醚二酐,1823-59-2,97%
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