![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
[单选题]
从总蔥醌中分离出含一个-COOH的蒽醌,可选用()
A.5% NaHCO3溶液
B.5%Na2CO3溶液
C.1%NaOH溶液
D.5%NaOH溶液
E.10%NaOH溶液
![](https://static.youtibao.com/asksite/comm/h5/images/m_q_a.png)
A、5% NaHCO3溶液
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.5% NaHCO3溶液
B.5%Na2CO3溶液
C.1%NaOH溶液
D.5%NaOH溶液
E.10%NaOH溶液
A、5% NaHCO3溶液
用色谱法分离游离羟基蒽醌衍生物时,常用的吸附剂是()
A、硅胶
B、中性氧化铝
C、碱性氧化铝
D、硅藻土
E、磷酸氢钙