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银标准溶液,analytical standard ,1000ug/ml in 1%HNO3
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外环氧七氯标准溶液,1024-57-3,analytical standard,100ug/ml in Petroleum ether
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外环氧七氯标准溶液,1024-57-3,analytical standard,10ug/ml in Petroleum ether
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外环氧七氯标准溶液,1024-57-3,analytical standard,100ug/ml in Petroleum ether
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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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p, p’-DDD标准溶液,72-54-8,analytical standard,100ug/ml in methanol
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邻苯二甲酸二丁酯标准溶液,84-74-2,analytical standard,68.8μg/mL in methanol
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氯乙烯标准溶液,75-01-4,analytical standard,2000ug/ml in Methanol
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敌稗标准溶液,709-98-8,analytical standard,0.100mg/ml in methanol
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钽标准溶液,7440-25-7,analytical standard,1000ug/ml in 1.0 mol/L HF
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