flow extraction and separation 分流分相 收藏 laser isotope separation method 激光同位素分离法 收藏 .
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A flow injection on line extraction chromatographic separation and preconcentration system is proposed for the determination of trace palladium by flame atomic absorption spectrometry (FAAS).
以三异辛胺萃淋树脂为微型柱固定相，采用流动注射在线预浓集与火焰原子吸收法联用技术，对微量钯的测定进行了研究。
It features that extraction liquid, strip-extraction liquor and raw material liquid flow in different layer, so resulting in short path of mass transfer, uniform film phase and high separation effect.
本发明装置可使萃取液、反萃取液和料液分别在不同层间流动，传质路径短，膜相均匀，分离效果好，适当组合的基本单元可构成具有工业实用性的系统装置。
A method for the spectrophotometric determination of trace Cu 2+ with flow injection liquid liquid extraction separation and pre concentration was developed.
用自制的分相器与流动注射仪联用，对有机相析出液- 液萃取光度法测定微量铜的流路参数和操作程序进行优化。
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