HF-Resistant Internal Standard Kit
商家询价 上海希言科学仪器有限公司
Acclaim SST 保护柱套管 V-2
不分流衬管,一端渐细,用于Ultra GC, 5MM ID x 105MM, 5/pk
Front Ferrule 1/8" Graphite 0.25" Long
Lumina Hollow Cathode 2" Lamp - Mg
THGA Std Graphite Tubes w/End Cap Pkg.20
TG-624 30m x 0.25mm x 1.4m
Strontium 1 000 μg/mL 2% HNO3 Pure 125mL
Mercury 1 000 μg/mL 10% HN03 Pure 125 mL
HyperSep Florisil 样品制备柱, 1g/6mL 30/包