Carbowax-聚乙二醇 (PEG) 固相微萃取萃取头, SPME fiber assembly, Carbowax-Polyethylene Glycol (PEG) Coating

SPME LC Tips, C18

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

Supel^TM QuE分散SPE，柠檬酸提取管

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

Supelclean^TM ENVI-Carb^TM 固相萃取散装填料, Supelclean^TM ENVI-Carb^TM SPE Bulk Packing

Supelclean^TM LC-Alumina-A SPE Tube

SUPELCOSIL^TM LC-DP HPLC Column

SUPELCOSIL^TM LC-DP HPLC 色谱柱

Supeltex^® M-2A Capillary Ferrule, Long Design