猪肝样品匀浆后用稀盐酸提取，经免疫亲和色谱柱纯化，再用GC/MS检测，即为IAC-GC/MS法。
After extraction with dilute HCl, the extracts of swine liver homogenization was loaded on the IAC column for purification and determined by GC/MS.
实验结果表明：苦豆子盐酸提取物的超滤和稀释过滤能有效除去蛋白质和其他不纯物，透过液中总生物碱的回收率高。
The results showed that the ultrafiltration with discontinuous diafiltration could effectively remove proteins and other impurities. The recovery ratio of alkaloid from the permeate was high.
在室温条件下，采用体积比4∶1的甲醇和盐酸混合溶液提取，用二氯甲烷萃取。
Under room temperature conditions, spinach was extracted with methanol-HCl (4:1 by vol), followed by a second extraction in methylene dichloride.
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