萃取池O型圈,50个/包
商家询价 上海希言科学仪器有限公司
CG19 阳离子保护柱-毛细柱,4X50MM
Hamilton Syringe w/ Blunt Tip 100 uL
七种阴离子混标,100ML/瓶
Graphite Ferrule 1.0 mm Pkg. 10
50R-C/F-5/0.63C 50uL 进样针 (36503015),1个/包
Strontium 1 000 μg/mL 2% HNO3 Pure 125mL
MA1 糖分析柱,4X250MM
Graphite Ferrule 1/8" x 0.5 mm Pkg. 10
Multi-Element Calibration Std. 3 no Hg