Snap Ring polypropylene autosampler microvial

自动进样器卡口聚丙烯微量样品瓶

SP^®-2331 Intuvo Capillary GC Column

SP^®-2331毛细管GC色谱柱

SPB^®-PUFA Capillary GC Column

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 ENVI-Carb，10g/60mL，每包 16 件