Lead 1 000 μg/mL 2% HN03 Pure 125 mL
商家询价 上海希言科学仪器有限公司
萃取池O型圈,50个/包
REACTI-THERM 单加热模块
ICE AS6 排斥柱,9X250MM
PE 单元素标准品(1,000 g/mL)锌 Zn 2% HNO3 N9300178
Zinc 1 000 μg/mL 2% HN03 Pure 125 mL
CG16 阳离子保护柱 4μ,4X50MM
AG11 阴离子保护柱,2X50MM
100x2.1mm 1.9um Hypersil GOLD PFP
AS20 阴离子分析柱,4X50MM
HyperSep Florisil 样品制备柱, 1g/6mL 30/包