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PK30 DISCOVERY DSC-C8 1G/6ML SPE TUBE
PREPPY 12位SPE真空装置
PK2 REPL SEAL FOR 3-50ML HIGH PRESSURE V ESSEL
PK100 3ML EMPTY FRITTED SPE TUBES
REPL LID FOR PREPPY 12 PORT SPE VACUUM M ANIFOLD
SPME自动萃取头,套装2
VACUUM ADAPTER
DISKMATE萃取台
POROZORB 250 CARTRIDGE
LC-NH2 SPE小柱,500mg/3ml