问题
单项选择题
用亲脂性溶剂提取具有碱性的游离生物碱，正确的方法是（ ）
A．1％HCl水溶液渗滤提取
B．EtOH回流提取
C．C6H6回流提取
D．药材加Na2CO3：液湿润后，用C6H6渗滤提取
E．药材1％HCl加液湿润后，用C6H6回流提取
答案
参考答案：D
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用亲脂性溶剂提取具有碱性的游离生物碱，正确的方法是（ ）
A．1％HCl水溶液渗滤提取
B．EtOH回流提取
C．C6H6回流提取
D．药材加Na2CO3：液湿润后，用C6H6渗滤提取
E．药材1％HCl加液湿润后，用C6H6回流提取
参考答案：D
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