AS20 阴离子分析柱,4X50MM
商家询价 上海希言科学仪器有限公司
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
19.8MM D29 滤膜,100个/包
AS19 阴离子分析柱,4X250MM
SmartTune Standard Solution 1L
REACTI-THERM 单加热模块
THGA Std Graphite Tubes w/End Cap Pkg.20
GC 自动进样器进样针, 10 μL, FN, GT, 50mm, 23, 锥形,1个
RF Load Coil Assembly
Graphite Ferrule 0.5mm ID