分流直式衬管,顶空衬管,用于Ultra GC,, 3mmID, 105mm, Pk 5
商家询价 上海希言科学仪器有限公司
碳酸酐酶试剂,50ML/瓶
七种阴离子混标,100ML/瓶
Electrodeless Discharge Lamp Sys. 2 - Tl
Glass Cyclonic Spray Chamber
PTFE Tubing 700 mm
ATD Glass Tube/ Air Toxics Tube
PA100 糖保护柱,4X50MM
Graphite Ferrule 0.5mm ID
20 mL HS Clear Screw Top Vials Pkg. 100