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First Standard® 正己烷中2,4’-滴滴滴溶液,1000μg/mL
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First Standard® 甲苯中4, 4’-滴滴伊溶液, 1000μg/mL
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First Standard® 正己烷中4, 4’-滴滴滴溶液,100μg/mL
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First Standard® 正己烷中2, 4’-滴滴伊溶液, 100μg/mL
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First Standard® 正己烷中2, 4’-滴滴涕溶液,100μg/mL
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First Standard® 正己烷中α-硫丹溶液,1000μg/mL
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First Standard® 甲醇中甲氧滴滴涕溶液,1000μg/mL
4,4'-Methoxychlor Solution in Methanol, 1000μg/mLFirst Standard®天津
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First Standard® 乙腈中2,4-滴丁酸溶液,1000μg/mL
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First Standard® 正己烷中氯唑磷溶液,1000μg/mL
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First Standard® 正己烷中烯虫酯溶液,1000μg/mL
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