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1,1,2,2-四氯乙烷标准溶液,79-34-5,analytical standard,0.978mg/ml in methanol
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1,1,2,2-四氯乙烷标准溶液,79-34-5,2000ug/ml in Purge and Trap Methanol
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1,1,2,2-四氯乙烷,79-34-5,Standard for GC
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1,1,2-三氯乙烷标准溶液,79-00-5,analytical standard,1.01mg/ml in methanol
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1,1,2-三氯乙烷标准溶液,79-00-5,analytical standard,1.09mg/ml in methanol
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1,1-二氯乙烷标准溶液,75-34-3,analytical standard,1.00mg/ml in methanol
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1,2,3,4-四氯苯标准溶液,634-66-2,analytical standard,1000ug/ml in methanol
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1,1,2,2-四氯乙烷,79-34-5,AR,98%
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四氯化碳标准溶液,56-23-5,analytical standard,1000ug/ml in methanol
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1,1,1,2-四氯乙烷标准溶液,630-20-6,2000ug/ml in Purge and Trap Methanol
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