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β-六六六标准溶液,319-85-7,analytical standard,100ug/ml in methanol
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β-六六六标准溶液,319-85-7,analytical standard,50ug/ml in methanol
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δ-六六六标准溶液,319-86-8,analytical standard,100ug/ml in petroleum ether
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alpha-六六六标准溶液,319-84-6,analytical standard,100ug/ml in petroleum ether
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γ-六六六标准溶液,58-89-9,analytical standard,100ug/ml in methanol
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δ-六六六标准溶液,319-86-8,analytical standard,50ug/ml in methanol:toluene(4:1)
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β-六六六标准溶液,319-85-7,1000ug/ml in Purge and Trap Methanol
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alpha-六六六标准溶液,319-84-6,analytical standard,50ug/ml in methanol:toluene(4:1)
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δ-六六六标准溶液,319-86-8,analytical standard,10ug/ml in petroleum ether
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α-六六六标准溶液,319-84-6,1000ug/ml in Purge and Trap Methanol
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