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First Standard® 正己烷/甲苯中敌草腈溶液,1000μg/mL
Dichlobenil Solution in Hexane/Toluene, 1000μg/mLFirst Standard®天津
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First Standard® 顺-氯丹(α)
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First Standard® 反-氯丹(γ)
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First Standard® 碱性橙22
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First Standard® 分散蓝102
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First Standard® 柑桔红2
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First Standard® 酸性紫49
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First Standard® 分散棕1
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First Standard® 分散黄1
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First Standard® 分散黄9
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