TRACE TR-WAX 气相柱, 30m, 0.32mmID, 0.25m
商家询价 上海希言科学仪器有限公司
直通分流衬管,带玻璃毛, 4.0 x 6.3 x 78.5 ,5个/包
Adjustable Torch Assembly
Multi-Element Solution 2 125 mL
RP 柱2.5CC, 48只/袋
Repl. Air Filter for Optima 2000/4000
Tubing, Accumulator to Lower Transducer [WAT270971]
Na 柱2.5CC, 48只/袋
Acclaim 120, PA2, 3m 分析柱 (2.1 x 100mm)
SHODEX GPC