5ml样品瓶盖-不带滤芯, 250只/盒
商家询价 上海希言科学仪器有限公司
MSA 淋洗液罐
NexION Instrument Filter (Back Right)
OMNIPAC PAX-500 分析柱 (4 X 250 MM)
TRACE TR-WAX 气相柱, 30m, 0.32mmID, 0.25m
AG4A 阴离子保护柱-快速高容量柱,4X50MM
KBr Disc 13 x 2 mm Window
PEEK Tubing, 14in. x .004in. ID [430001565]
M1000 Oxygen Trap 1/8" Fittings
CAP Quart Deactivated Wool Pkg. 5