Polystyrene Macro Cells Pkg. 1000
商家询价 上海希言科学仪器有限公司
阴离子捕获柱
AS20 阴离子分析柱,4X50MM
70nm Spherical Au Nanoparticle 25 mL
Spare Standard Mirror
Multi-Element Calibration Std. 3 no Hg
不分流衬管,一端渐细,用于Ultra GC, 5MM ID x 105MM, 5/pk
Magnesium Matrix Modifier 1% 100 mL
Electrodeless Discharge Lamp Sys. 2 - Tl
Lead 1 000 μg/mL 2% HN03 Pure 125 mL