2mL 螺口样品瓶, 9mm 瓶盖, 硅树脂/PTFE ,100/包
商家询价 上海希言科学仪器有限公司
V-21 磨损金属标准,500 μg/g 烃油 100 g N9308310
V-21 Wear Metal Std. Conc.500 μg/g 100g
5 μL Syringe Metal Plunger w/ PTFE Seal
Deuterium Lamp for S200 UV/VIS
RP 柱1CC ,12只/袋
AS14 阴离子分析柱,4X250MM
Qtz SUPRASIL Cell Lid 1 mm 350 μL Pkg. 2
分析柱150x4.6mm 3um Hypercarb
Complete FIAS Cell and Windows 7.5 mm
AG17-C 阴离子保护柱,4X50MM