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
OMNIPAC PAX-500 分析柱 (4 X 250 MM)
NexION Instrument Filter (Back Right)
Gadolinium 1 000 μg/mL 2% HN03 Pure 500
5ml样品瓶盖-不带滤芯, 250只/盒
250x4.6mm 5um Hypersil GOLD PFP
Lumina Hollow Cathode 2" Lamp - Ni
铝制钳口瓶盖 带硅树脂/PTFE密封垫 ,100/包
Multi-Element Internal Standard 125 mL
Super Clean 三组分筒式过滤器- He Specific