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题目内容
(请给出正确答案)
A.-SO
H
B.-COO
H
C.-N
(CH
)
Cl
D.-NH
E.RP-18
![](https://assets.51tk.com/images/8baecb2f2fb59b6d_img/89c18264c74d2ced.gif)
![](https://assets.51tk.com/images/8baecb2f2fb59b6d_img/a4b56da971a7f81e.gif)
B.-COO
![](https://assets.51tk.com/images/8baecb2f2fb59b6d_img/f9862bd506356f8f.gif)
![](https://assets.51tk.com/images/8baecb2f2fb59b6d_img/6875706f832f3445.gif)
C.-N
![](https://assets.51tk.com/images/8baecb2f2fb59b6d_img/214a4a6935b78e21.gif)
![](https://assets.51tk.com/images/8baecb2f2fb59b6d_img/58574ba2d2f29613.gif)
![](https://assets.51tk.com/images/8baecb2f2fb59b6d_img/cc3627a849831b9f.gif)
![](https://assets.51tk.com/images/8baecb2f2fb59b6d_img/fdd9dd8deb13bcf4.gif)
D.-NH
![](https://assets.51tk.com/images/8baecb2f2fb59b6d_img/13662bc5b578369a.gif)
E.RP-18
强酸性阳离子交换树脂的离子交换基团是
参考答案
参考解析
解析:本题考点是离子交换树脂的分类。离子交换树脂根据结构中所含的交换基团的不同分为阳离子交换树脂和阴离子交换树脂两类,根据交换能力的强弱,阳离子交换树脂又可分为强酸性和弱酸性,阴离子交换树脂可分为强碱性和弱碱性。上述选项中,阳离子交换树脂的离子交换基团包括强酸性-SO
H
和弱酸性-COO
H
,阴离子交换树脂的离子交换基团包括强碱性-N
(CH3)。Cl
和弱碱性-NH
。RP-18是反相分配色谱的常用载体。
![](https://assets.51tk.com/images/8baecb2f2fb59b6d_img/1055c36386f432cc.gif)
![](https://assets.51tk.com/images/8baecb2f2fb59b6d_img/385dad268f6c5eb3.gif)
![](https://assets.51tk.com/images/8baecb2f2fb59b6d_img/e51b271d89c5fe98.gif)
![](https://assets.51tk.com/images/8baecb2f2fb59b6d_img/8403c48a8e7155ad.gif)
![](https://assets.51tk.com/images/8baecb2f2fb59b6d_img/b494df066f68a245.gif)
![](https://assets.51tk.com/images/8baecb2f2fb59b6d_img/5c36bf9f21747b8c.gif)
![](https://assets.51tk.com/images/8baecb2f2fb59b6d_img/e20a3363963a6f1e.gif)
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