Spectromelt^® A 20

SPME 纤维组件聚二甲基硅氧烷 (PDMS), SPME fiber assembly Polydimethylsiloxane (PDMS)

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

Standard oil

Sulfate Standard Solution, CRM

Supelclean^TM ENVI-8 固相萃取管, Supelclean^TM ENVI^TM-8 SPE Tube

Supelclean^TM ENVI-Carb^TM SPE Tube

Supelclean^TM ENVI-Carb^TM SPE 管

Supelclean^TM LC-Alumina-B SPE Tube

Supelclean^TM LC-Alumina-B 固相萃取管

Supelco Rotameter

转子流量计

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