A、<p><span style="font-size: 10.5pt; font-family: 宋体;">明胶沉淀法</span></p>
B、<p><span style="font-size: 10.5pt; font-family: 宋体;">水醇沉淀法</span></p>
C、<p><span style="font-size: 10.5pt; font-family: 宋体;">溶剂沉淀法</span></p>
D、<p><span style="font-size: 10.5pt; font-family: 宋体;">酸碱沉淀法</span></p>
E、<p><span style="font-size: 10.5pt; font-family: 宋体;">盐析法</span></p>
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