点击图片查看原图
[VIP第6年] 指数:7
通过认证 
糖类为5元环（呋喃）或6元环（吡喃）的结构，具有稳定的椅式构象。分子内有多个羟基，由于这些羟基与碳平面的结合有水平方向（Equatorial）和垂直方向（Axial），因此，糖的种类不同，羟基的立体构象也不同
。配位体交换模式即利用羟基与金属离子形成络合体的相互作用（配位体交换能）来分
离。如图中所示，左中具有ax-eq-ax结构(Triplet)的糖与金属离子的络合作用力，比右图中的羟基ax-eq(Pair)结构的糖与金属离子的络合力强.络合相互作用力根据金属离子种类的不同而不同。
药典对应色谱柱
Ca2+型配位体交换色谱柱
可以用纯水做流动相分析
详细介绍
| 品牌 | Shodex | 供货周期 | 现货 |
|---|---|---|---|
| 应用领域 | 食品,制药,综合 |
Shodex MN-431糖分析柱 (标准柱) [外壳材质 : SUS]
| 订货号 | 产品名称 | 键合相 (Counter ion) | 粒径 (μm) | 尺寸 (mm) 内径 x 长度 |
出厂储存溶剂 |
|---|---|---|---|---|---|
| F6379230 | USPpak MN-431 | 磺基 (Ca2+) | 8 | 4.0 x 250 | H2O |
MN-431 |
|
|---|
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Shodex MN-431糖分析柱
配位体交换模式对糖的分离机理
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