气相盖垫 BTO X-145 17MM 50个/包
商家询价 上海希言科学仪器有限公司
THGA Standard Graphite Tubes Pkg. 5
Analytical End Cap O-Ring
衬管密封圈,用于Trace 1300 系列SSL 进样口,5个/包
M1000 Oxygen Trap 1/8" Fittings
TRACE TR-WAX 气相柱, 30m, 0.32mmID, 0.25m
Electrodeless Discharge Lamp Sys. 2 - Sb
Ferrule, 01, SS, 10/Pkg [WAT005063]
Nickel Sampler Cone for ELAN
Multi-Element Solution 2 125 mL