中性氨基酸的萃取分离将会成为研究的热点。
The extraction separation of neutral amino acids will be the focus study.
样本用丙酮提取，加二氯甲烷萃取，通过中性氧化铝和活性炭混合柱层析净化，然后上气相色谱用NPD检测。
The procedure was described, including extraction by acetone and dichloromethane, cleaning up by passing through a column made up of neutral alumina and active carbon, determination by GC with NPD.
本文研究了用手铵盐-仲醇-煤油溶液从弱碱性(或近中性)溶液中萃取铀的机理。
In this paper the mechanism of uranium extraction by a secondary alcohol-kerosene solution of a quaternary ammonium salt from the nearly neutral ammonium carbonate solution is studied.
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