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二丁基硫醚
用于7725进样器的不锈钢定量环
1mL用乳胶吸头,红色
二正丙胺盐酸盐
质控样RM71
Diamonsil C18(2) 10μm 250 x 10.0mm
LICHROSPHER SI-60 5UM 15CMX3.2MM ID
窄口包装瓶,无盖,不透明琥珀色高密度聚乙烯,500毫升容量,每箱125
倍他米松 17-戊酸酯
Tong for flask, opening:15-60mm, length:220mm, made of electro-polished stainless steel, with polyamide coating