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Enrichment and trapping of volatile trace components by means of chromatographic solvent evaporation

โœ Scribed by J. Roeraade; S. Blomberg


Book ID
112720517
Publisher
Springer
Year
1983
Tongue
English
Weight
581 KB
Volume
17
Category
Article
ISSN
0009-5893

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๐Ÿ“œ SIMILAR VOLUMES


Concentration of volatile organic compou
โœ Blomberg, S. ;Roeraade, J. ๐Ÿ“‚ Article ๐Ÿ“… 1989 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 476 KB

A system for quantitative concentration of volatile organic trace compounds present in organic solvents is described. Evaporation of the solvent is carried out inside a glass capillary tube by the action of a carrier gas, and large volumes can be reduced by a repeated sample injectionanda cyclicflow

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When 0.53 mm i.d. uncoated precolumns connected to a solvent vapor exit are used for sample introduction with partially concurrent solvent evaporation, substantial losses of volatile solutes are often observed. They were found to be the consequence of solute accumulation at the front end of the floo

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The design and features of an on-line purge and cold-trap preconcentration device for rapid analysis of volatile organic compounds in aqueous samples are discussed. Excessive water is removed from the purge gas by a condenser or a water permeable membrane in order to avoid blocking of the capillary