The design of an on-line semi-preparativ
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Feng Xu; Anthony J. Alexander
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Article
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2005
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John Wiley and Sons
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English
⚖ 405 KB
## Abstract This paper reports the design of an on‐line semi‐preparative LC–SPE–NMR system and its use in the structural analysis of mixture components at the 0.02–1% level. The combination provides at least a five fold mass sensitivity increase over that obtained from typical analytical LC–SPE sys