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High performance liquid chromatography column efficiency enhancement by zero dead volume recycling and practical approach using park and recycle arrangement
M. Minarik, M. Franc, M. Minarik,
Jazyk angličtina Země Nizozemsko
Typ dokumentu časopisecké články
- MeSH
- benzenové deriváty chemie izolace a purifikace MeSH
- polycyklické sloučeniny chemie izolace a purifikace MeSH
- protiproudá chromatografie MeSH
- recyklace * MeSH
- stereoizomerie MeSH
- vysokoúčinná kapalinová chromatografie přístrojové vybavení metody MeSH
- Publikační typ
- časopisecké články MeSH
A new instrumental approach to recycling HPLC is described. The concept is based on fast reintroduction of incremental peak sections back onto the separation column. The re-circulation is performed within a closed loop containing only the column and two synchronized switching valves. By having HPLC pump out of the cycle, the method minimizes peak broadening due to dead volume. As a result the efficiency is dramatically increased allowing for the most demanding analytical applications. In addition, a parking loop is employed for temporary storage of analytes from the middle section of the separated mixture prior to their recycling.
Citace poskytuje Crossref.org
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- $a A new instrumental approach to recycling HPLC is described. The concept is based on fast reintroduction of incremental peak sections back onto the separation column. The re-circulation is performed within a closed loop containing only the column and two synchronized switching valves. By having HPLC pump out of the cycle, the method minimizes peak broadening due to dead volume. As a result the efficiency is dramatically increased allowing for the most demanding analytical applications. In addition, a parking loop is employed for temporary storage of analytes from the middle section of the separated mixture prior to their recycling.
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