六种阳离子混标,50ML/瓶
商家询价 上海希言科学仪器有限公司
NexION AFT Multi-Element Solution 500 mL
15/85 石墨/VESP 刃环 用于0.1-0.25 MM ID COL 10个/包
Luer-Lock Tip Disp. Syringe 5mL Pkg.125
分析柱250x4.6mm 5um Hypersil SAX
Manganese 1 000 μg/mL 2% HNO3 Pure 125mL
Oil Std. Yttrium Conc.1000 μg/g 50 g
AG11-HC 阴离子保护柱-高容量柱 ,4X50MM
Cadmium 1 μg/mL 2% HCL Pure 125 mL
PA100 糖分析柱,4X250MM