CG19 阳离子保护柱-毛细柱,4X50MM
商家询价 上海希言科学仪器有限公司
Standard Sample Pan Crimper Press
石墨管942339395071/942339395031/942339395041
942339395041长寿命石墨管942339395031普通石墨管942339395071涂层石墨管
商家询价 北京科明鑫盛仪器有限公司
100x2.1mm 1.9um Hypersil GOLD PFP
HF-Resistant Internal Standard Kit
Acclaim 120 C18 5um 分析柱 (4.6 x 250mm)
用于Trace 1300 系列GC PTV进样口的衬管密封圈,1个/包
Oil Std. Arsenic Conc.1000 μg/g 50 g
0.76 mm ID Black/Black Flared Pkg. 12
Glass Cyclonic Spray Chamber