利用胺类萃取盐酸的性能，应用于从毛发水解液中选择性地萃取盐酸，以沉淀及提纯L -胱氨酸。
It has been found that extraction is an alternative means for the recovery of L-cystine by removing HC1 and precipitating the said amino acid from hair hydrolytic liquor.
总结了氨基酸制备中的三大萃取技术：离子交换反应萃取，液膜分离萃取和反相胶团萃取及其在毛发水解氨基酸萃取分离方面的应用。
The extraction of amino acids by ion-exchange, liquid membrane and reverse micelle and their applications in the separation of hair-hydrolyzed amino acids are summarized.
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