如果企业客服不在线,也可拨打400电话联系。或者发布求购信息
Super Clean 三管(O2/H2O/HC) 过滤器
WHEATON CLOSED-UP,200/BAG
气相色谱柱,TG-225MS 15m x 0.25mm x 0.50μm
砷标准溶液(As 1,000mg/l)
FLASKS, PEAR SHAPED, CENTERED, PRECISO, ROUND BOTTOM, ST 14/23, CAPACITY 50 ML
2-(2-甲基-5-硝基苯胺基)-4-(3-吡啶基)嘧啶
CYLINDRICAL STANDARD CELLS WITH TWO STOPPERS
HR 螺口 透明 储存 样品瓶 1.5ML 9-425 100/
250ml分液漏斗
(易制毒二类)乙醚