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邻氨基偶氮甲苯标准溶液,97-56-3,1000μg/ml,in Purge and Trap Methanol
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艾杰尔Cleanert散装SPE填料5000g/bottle
SAX sorbent艾杰尔天津艾杰尔散装填料Cleanert散装SPE填料SAX sorbent5000g/bottle
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二硫化碳,75-15-0,AR
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磷酸根离子标准溶液,7558-79-4,1000μg/ml in Water (20℃)
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(As, Cd, Cr, Pb, Hg) 多元素混合标准溶液(混标),As,Cd,Cr:100μg/ml;Pb,Hg:200μg/ml(,in :5% HNO3,2% HCL)
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MSIL0102-1mL美正乙腈中13C15-脱氧雪腐镰刀菌烯醇标准溶液
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Cole-Parmer Chemically Inert PTFE Beaker, 5000 mL, 1/Pk
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溴甲烷标准溶液,74-83-9,1000μg/ml in Methanol
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氯甲烷标准溶液,74-87-3,1000μg/ml,in Methanol
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六号溶剂标准溶液
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