| Tween 80 吐温 80 英文名称： Tween 80 |
| 型号:null 产品货号： Amresco 0442 |
| 价格:请致电：010-57128832,18610462672 |
| 品牌: amresco |
现货供应 500ml ￥120 ............................................................................ TWEEN® 80 (POLYOXYETHYLENE-20-SORBITAN MONOOLEATE) Reagent Grade [9005-65-6] Hydroxyl Number ....................................................................................65 - 80 Water (KF) (%) ..........................................................................................< 3.0 Residue on Ignition (NF) (%) .................................................................. < 0.25 Heavy Metals (%) ................................................................................... < 0.001 Identification ..............................................................................................PASS Specific Gravity .................................................................................1.06 - 1.09 Viscosity (Centistokes) .............................................................................> 300 DNase ........................................................................................ None Detected RNase ........................................................................................ None Detected Protease ..................................................................................... 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！！ ........................................................................... |