The use of precolumns for solvent focusi
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Yan, Zimeng ;Nikelly, John G.
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Article
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1994
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John Wiley and Sons
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English
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## Abstract In trace analysis by capillary GC it is often desirable to use larger than normal injection volumes to obtain sufficient sensitivity. This, however, results in a wider solvent peak and tailing, and may reduce column efficiency. This paper describes the use of a short length of a capilla