SPME fiber assembly Polydimethylsiloxane (PDMS)

SPME 纤维组件聚二甲基硅氧烷 (PDMS)

SS-174 PTFE 表面隔垫, SS-174 PTFE-Faced Septa

Stand for SCOTTY^® 48 Cylinder

SCOTTY^® 48 气瓶支架

Sulfate Standard Solution, CRM

Supelclean ^TM ENVI ^TM-18 SPE 散装填料, Supelclean^TM ENVI^TM-18 SPE Bulk Packing

Supelclean^TM ENVI-Carb^TM SPE Tube

Supelclean^TM LC-Alumina-B 固相萃取管, Supelclean^TM LC-Alumina-B SPE Tube

Supelco Rotameter

转子流量计

SUPELCOSIL^TM LC-1 Supelguard^TM 柱芯, SUPELCOSIL^TM LC-1 Supelguard^TM Cartridge

SUPELCOSIL^TM LC-18-T Supelguard^TM 柱芯, SUPELCOSIL^TM LC-18-T Supelguard^TM Cartridge