Splitless injection and the solvent effect
β Scribed by Grob, K. ;Grob, K.
- Book ID
- 102892755
- Publisher
- John Wiley and Sons
- Year
- 1978
- Tongue
- English
- Weight
- 700 KB
- Volume
- 1
- Category
- Article
- ISSN
- 0935-6304
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β¦ Synopsis
Abstract
Splitless injection is based on the solvent effect as a mechanism condensing large vapour clouds down to infinitely shortened bands. The effect is controlled by the parameters column temperature, volatility and amount of solvent, and rate of injection. By properly selecting the variables the effect can easily be optimized for any combination of sample and column. It is the purpose of this paper to provide the mechanistic understanding as required for this optimization, as well as some rules for the experimental realization. Potentialities and limitations of splitless injection are discussed, and the role of the solvent effect in onβcolumn injection is emphasized.
π SIMILAR VOLUMES
## Abstract Concurrent Solvent Recondensation Large Sample Volume (CRSβLV) splitless injection overcomes the limitation of the maximum sample volume to 1β2 ΞΌL valid for classical splitless injection. It is based on control of the evaporation rate in the vaporizing chamber, utilization of a strong p
Kurt Grob introduced splitless injection in 1969. He elaborated most of the working guidelines including the techniques required for reconcentrating the broad initial bands, i.e. the solvent effects and cold trapping. He also designed avaporizing injector suited for splitless injection. Nevertheless
## Abstract An experimental injection port has been designed for split or splitless sample introduction in capillary gas chromatography; the inlet uses electronic pressure control, in order that the column head pressure may be set from the GC keyboard, and the inlet may be used in the constant flow
A splitless injection technique, allowing 0.5 pI injectionson 50 pm i.d. columns, has been developed.