Previous ed. published as: Split and splitless injection in capillary gas chromatography. Heidelberg : Hüthig Buch Verlag, 1993. Disc contains lecture notes and videos. Includes bibliographical references and index.
Contents:
E, Injector design. The gas regulation systems. Syringes -- Evaporation inside the needle -- How much is really injected? -- Syringe needle handling minimizing discrimination -- Dependence of discrimination on sample volume -- Solvent and solutes -- Injector temperature -- Plunger-in-needle syringes -- Possibilities of avoiding evaporation in the needle -- Summarizing guidelines -- B, Sample evaporation in the injector. Introduction -- Solvent evaporation--heat transfer -- Solvent evaporation--visual observation -- Solute evaporation -- Sample degradation in the injector -- Retention and adsorption in the vaporizing chamber -- Deactivation of liners and packing materials -- Cleaning of injector liners -- C, Split injection. Introduction -- The split ratio -- Sample concentrations suitable for split injection -- Initial band widths -- Split injection for fast analysis -- Analysis requiring maximum sensitivity -- High split ratios for reducing the sample size -- Problems concerning the split ratio -- Problems concerning linearity of splitting -- Techniques for improving quantitative analysis -- General evaluation of split injection -- D, Splitless injection. Introduction -- How to perform splitless injection -- Sample volumes suitable for splitless injection -- Injection of large volumes -- Sample transfer into the column -- Problems with quantitative analysis -- Reconcentration of initial bands -- Related injection methods -- General evaluation of splitless injection -- E, Injector design. Vaporizing chamber -- Surroundings of the vaporizing chamber -- Autosamplers -- The gas regulation systems.
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