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
商家询价 上海希言科学仪器有限公司
PA10 糖柱保护柱,2X50MM
进样针 10UL X 50MM 锥形针头,1个/包
HPLC 进样针, 250L 用于Thermo HPLC
SS Tubing .0625 OD x .0051 ID 50 cm
透明螺纹 12*32MM 样品瓶 100/包
Lumina Hollow Cathode 2" Lamp - Al
Thermo ScientificTM DionexTM ADRS 600 4mm 阴离子抑制器088666CMD
CS12A 阳离子分析柱,4X250MM
SS High Pressure Capsules