Edwards 45 Vacuum Pump Oil 1 L Bottle
商家询价 上海希言科学仪器有限公司
RP 柱1CC, 48只/袋
氟化物标样,100ML/瓶
S225/S275 Sample w/Valco Connect. Needle
美国PE 铀元素标准品 U 2% HNO3 N9303844
Uranium 1 000 μg/mL Pure 125 mL
GC/MS Gas Purifier 21" 1/8FIT
19.8MM D29 滤膜,100个/包
50R-C/F-5/0.63C 50uL 进样针 (36503015),1个/包
气相盖垫 BTO 17MM 10/PK
Acclaim Mixed-Mode WCX-1 5um 分析柱 (4.6 x 150mm)