Chromatographic separator

G - Physics – 01 – N

Patent

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Details

G01N 30/80 (2006.01) B01D 15/08 (2006.01) B01D 15/18 (2006.01) G01N 30/46 (2006.01) G01N 30/44 (2006.01)

Patent

CA 2496335

An intermittent or simulated moving layer chromatographic separator capable of stably determining the purities of separated components, wherein a circulation passage (16) is formed by connecting four or more columns (14) to each other, material liquid containing components (A) and (C) and eluent are filled in the circulation passage (16) and circulated in the circulation passage (16), a density detector (54) is disposed in the circulation passage (16) at a position adjacent to a component (A) extracting valve (41) to detect the density of the components in the circulation passage (16) during a circulation process, and when the density of the components reaches a standard density or higher, the components (A) and (C) of the material liquid are determined to be separated from each other and a process moves from a circulation process to a next component extraction process.

L'invention concerne un séparateur chromatographique à couche mobile simulée ou intermittent capable de déterminent de façon stable les puretés de composants séparés. Un passage de circulation (16) est formé par l'interconnexion d'au moins quatre colonnes (14), des composants (A) et (C) contenant une matière liquide et un éluant sont introduits dans le passage de circulation (16) et mis en circulation dans ledit passage, un détecteur de densité (54) est disposé dans le passage de circulation (16) sur une position adjacente à une soupape d'extraction du composant (A) afin de détecter la densité des composants présents dans le passage de circulation (16) pendant le processus de circulation. Lorsque la densité des composants atteint ou dépasse une densité normalisée, les composants (a) et (C) de la matière liquide sont déterminés comme étant séparés les uns des autres et le processus passe d'un processus de circulation à un processus d'extraction du prochain composant.

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