SPME固相微萃取萃取头，二甲基硅氧烷/二乙烯基苯(PDMS/DVB), SPME Fiber Assembly Polydimethylsiloxane/Divinylbenzene (PDMS/DVB)

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

Standard samples for HPLC system qualification

Sulfate Standard Solution, CRM

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

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

Supelclean^TM LC-Florisil^® 固相萃取散装填料, Supelclean^TM LC-Florisil^® SPE Bulk Packing

Supelco Rotameter

转子流量计

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

SUPELCOSIL^TM LC-8 Supelguard^TM 柱芯, SUPELCOSIL^TM LC-8 Supelguard^TM Cartridge