| Tween 20 吐温 20 英文名称： Tween 20 |
| 型号:null 产品货号： Amresco 0777 |
| 价格:请致电：010-57128832,18610462672 |
| 品牌: amresco |
现货供应 500ml ￥155 ............................................................................ TWEEN® 20 (POLYOXYETHYLENE-20-SORBITAN MONOLAURATE) Reagent Grade [9005-64-5] Hydroxyl Number ..................................................................................96 - 108 Water (KF) (%) ..........................................................................................< 3.0 Residue on Ignition (%) ........................................................................... < 0.25 Heavy Metals (%) ................................................................................... < 0.001 DNase ........................................................................................ None Detected RNase ........................................................................................ None Detected ........................................................................... 外地客户定购1000元以上，免费快递上门！！ ......................................................................... 前尘科技专业的试剂、耗材供应商，公司大部分产品备有现货！ 买试剂找前尘，质量有保证！！价格合理，欢迎您的来电！！ ........................................................................... |