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砷标准溶液,7440-38-2,analytical standard, 100mg/L in H2SO4
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2-氯苯乙烯,2039-87-4,97%,含稳定剂对叔丁基邻苯二酚100ppm
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2, 4-滴溶液, 100ppm
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滨正红特氟龙PTFE冷凝装置抗摔规格可定制
滨正红材质塑料规格型号定制类型冷凝管容量300mL允许误差0.01ml成分高纯实验级聚四氟乙烯使用次数多次性产品特性防腐低本底用途蒸馏-冷凝-回流装置耐受温度-200℃~250℃特点高纯材料
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中性红溶液,553-24-2,4% in water
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2,4,5-三氯苯酚标准溶液,95-95-4,100ng/ul in Methanol
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异丙醚,108-20-3,>99.0% (GC),含100ppm BHT稳定剂
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异丙醚,108-20-3,无水级,99%,含100ppm BHT稳定剂
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2,4′-DDT标准溶液,789-02-6,analytical standard,50ug/mL in 2,2,4-Trimethylpentane
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2,4,5-涕-D4溶液,100ppm
2,4,5-T-D4;2,4,5-Trichlorophenoxyacetic Acid-d4 Solution, 100ppm阿尔塔美国
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