PE美国 紫外Wavecal溶液 5% HCl 250 mL N0681470
UV Wavecal Solution 250 mL
商家询价 上海希言科学仪器有限公司
15 mL Conical w/Flat Caps Bulk Qty.500
Lumina Hollow Cathode 2" Lamp - Mg
10x4mm 5um Hypersil GOLD 保护柱柱芯 ,4个/包
不分流衬管,一端渐细,用于Ultra GC, 5MM ID x 105MM, 5/pk
Lead 1 000 μg/mL 2% HN03 Pure 125 mL
Chiller Coolant Mix 30 Plus-Five 1/2 Gal
Quartz Torch 1-Slot Optima 8x00
GC/MS Gas Purifier 21" 1/8FIT
Standard Sample Pan Crimper Press