KBr Disc 13 x 2 mm Window
商家询价 上海希言科学仪器有限公司
Quick Disconnect Tubing for 2000/4000
Internal Standard Mix 125 mL
分析柱250x4.6mm 5um Hypersil ODS
CX-1 pH Gradient Buffer Kit (pH 5.6 to 10.2), 125 mL
Multi-Element Internal Standard 125 mL
Electrodeless Discharge Lamp Sys. 2 - Cd
Septa for 40ML precleaned vial 72 PK
石墨刃环0.32mm(ID)(10个/包)
SCS1 硅胶阳离子分析柱,4X250MM