A21 金属磨损标准品,100 g,含有 900 g/g
商家询价 上海希言科学仪器有限公司
Eclipse XDB 80 C18柱,4.6x250mm,5m
Nickel Sample Cone for Xt or Xs Interfaces (Pack of 1)
商家询价 北京中科三环仪器有限责任公司
Flanged Tubing PEEK Nut 0.0625
ZORBAX Rx-SIL柱 5m,9.4x250mm
Alumina Injector 2.0 mm ID Optima 8x00
棉签,100/包
Quartz Cyclonic Spray Chamber
封盖器,手动,用于 20 mm 瓶盖
TGA Ceramic Crucible Assembly Pkg. 10