气相色谱玻璃空柱,Agilent^® 5890,6890,配置 B, Empty Glass GC Column, for Agilent^® 5880, 5890, 6890, and 7890 (Configuration "B")

气相色谱玻璃空柱,Varian^® 3000,4000,6000,Vista^TM,FID,进样器 A 至检测器 A, Empty Glass GC Column, for Varian^® 3000, 4000, 6000, and Vista^TM (FID, Inj. A to Det. A, On-Column)

带 PE 筛板的聚丙烯固相萃取空管，20μm 孔隙度, Empty polypropylene SPE Tube with PE frits, 20 μm porosity

固相萃取储液器, Empty SPE Tube (no frits)

Escherichia coli WDCM 00013 Vitroids^TM

Ferrous Iron in Water-WP

平底烧瓶, Flat Bottom Flask

无筛板吹扫取样器玻璃器具, Fritless Purge Sampler Glassware

带熔融石英内衬的不锈钢管, Fused Silica-Lined Stainless Steel Tubing

Gas Line Filter

气体管路过滤器