SP^®-2560 Capillary GC Column

SP^®-2560毛细管GC色谱柱

SPB^®-1气相毛细管色谱柱, SPB^®-1 Capillary GC Column

SPE Manifold Gauge/Bleed Valve

固相萃取装置真空表/真空调节阀

SPME fiber assortment kit 1

固相微萃取萃取头组合套件 1

固相微萃取取样支架固定装置和杆组件, SPME sampling stand holder &rod assembly

不锈钢 1/16 英寸毛细管, Stainless Steel 1/16 in. Capillary Tubing

Supel^TM QuE分散SPE，柠檬酸提取管, Supel^TM QuE

Supel^TM QuE分散SPE，柠檬酸提取管, Supel^TM QuE

Supel^TM QuE分散SPE，柠檬酸提取管, Supel^TM QuE

Supelclean^TM ENVI-Carb/NH₂ SPE Tube

Supelclean^TM ENVI-Carb/NH₂ 固相萃取管