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
铍(Be)AAS标准溶液,1000mg/L溶于2% HNO3
PVC-TUBING, I.D.7 MM, WALL THICKNESS 1,5 MM
o-Methylhippuric Acid Standard
FREEZE DRYING AMPOULES, BORO., ROUND BOTTOM, STRAIGHT SIDED, 3 ML, 10 X 145 MM
填充柱 10%Carbowax-20M on Chromosorb WHP 80/100
Yttrium Carbonate n-Hydrate, 99.9%
DIMROTH-CONDENSERS, ACC. TO DIN 12591, CONE AND SOCKET ST 29/32, JACKET LENGTH: 250 MM
磷酸三钾 水合物
精喹禾灵(自由酸) 标准品
梓醇