产品说明
一般描述
Dowex Marathon MR-3 is a premium, premixed, mixed bed product designed for polishing demineralized water to conductivities <0.1 μS/cm. Marathon MR-3 is a 1:1 equivalent mixture of Marathon C-10 (H) and Marathon A (OH)
应用
Dowex® Marathon™ MR-3 hydrogen and hydroxide form was used in assessing inorganic nitrogen in litter layer and soil using ion-exchange resin bags on Alpkem autoanalyzer and by ion chromatography.
用于浓缩物精处理的混合床离子交换树脂，经过特殊处理，最好用于过程中和色谱柱的脱盐。
包装
1 kg in poly bottle
100, 500 g in poly bottle
特点和优势
粒径均一的颗粒提供了更大的表面积，从而带来更高的容量和更快的动力学速度。核级，凝胶型，苯乙烯-二乙烯基苯共聚物基质
其他说明
Dowex® Marathon™ MR-3 是 Dowex MR-3 树脂的高级产品。较之具有高斯特性的 Dowex 产品，Dowex Marathon 系列产品提供了更窄的粒子分布，更高的效率以及更优异的动力学性能。
该离子交换树脂未经特殊处理或清洁。建议进行适当的初步洗脱和清洗处理。
法律信息
Amberlite is a registered trademark of The Dow Chemical Company or an affiliated company of Dow
DOWEX is a registered trademark of The Dow Chemical Company or an affiliated company of Dow
Marathon is a trademark of The Dow Chemical Company or an affiliated company of Dow
基本信息
| MDL编号 | MFCD00166706 |
| NACRES | SB.52 |
产品性质
| 质量水平 | 100 |
| 描述 | formerly Dowex® Marathon™ MR-3 H/OH |
| 形式 | beads |
| 组成 | HCR-S[H+] and SBR[OH-]: in accordance |
| 参数 | 60 ℃ max. temp. |
| 湿度 | 46-51% (cation exchanger) 60-72% (anion exchanger) |
| technique(s) | LPLC: suitable |
| 基质 | styrene-divinylbenzene (gel) |
| 粒径 | 20-50 mesh 560-660 μm (anion form) 710-810 μm (cation form) |
| 操作pH | 0 - 14 |
| 容量 | 1.0 meq/mL by wetted bed volume(anion) 1.9 meq/mL by wetted bed volume |
| 分离技术 | mixed mode |
安全信息
| 象形图 |  |
| 警示用语： | Warning |
| 危险声明 | H315 - H319 - H335 |
| 预防措施声明 | P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338 |
| 危险分类 | Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3 |
| 靶器官 | Respiratory system |
| 储存分类代码 | 11 - Combustible Solids |
| WGK | WGK 3 |
| 闪点(F) | Not applicable |
| 闪点(C) | Not applicable |
| 个人防护装备 | dust mask type N95 (US), Eyeshields, Gloves |
