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p,p’-DDT标准溶液,50-29-3,1000ug/ml in Purge and Trap Methanol
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硝酸盐氮标准溶液,100μg/ml in Water (20℃)
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硝酸根离子(NO₃-)标准溶液,1000μg/ml in Water (20℃)
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砷标准溶液,7440-38-2,analytical standard, 1000ug/ml in 1.0mol/L HNO3
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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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三溴甲烷标准溶液,75-25-2,analytical standard,1000ug/ml in methanol
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硝酸根离子(NO₃-)标准溶液,500ug/ml in Water (20℃)
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硝酸根离子(NO₃-)标准溶液,100ug/ml in Water (20℃)
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苯标准溶液,71-43-2,analytical standard,1000ug/ml in carbon disulfide
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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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