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
(定制产品)12种元素ICP-MS混标,100 mg/L溶于10% HNO3 + Tr HF
气进样针
N.N-Diethylethylenediamine
硅管 (1m单位)
2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
1-(2-氟苄基)哌嗪
11MM 螺口 瓶口 密封垫聚丙烯
Filtering stand for 4 funnels, made of PP, white, 550 x 150 x 500 mm, suitable for funnels ? 40-160 mm, with variable height adjustment
苯甲酸苄酯,>99.0%(GC)
二氯甲烷中8种半挥发性有机物测定替代物混标