Evaluation of injection systems for open tubular liquid chromatography | Zendy

Claessens Henk A. | Zendy; Burcinova Andrea | Zendy; Cramers Carel A. | Zendy; Mussche Philippe | Zendy; van Tilburg Chris C. E. | Zendy

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Evaluation of injection systems for open tubular liquid chromatography

Author(s) -

Claessens Henk A.,

Burcinova Andrea,

Cramers Carel A.,

Mussche Philippe,

van Tilburg Chris C. E.

Publication year - 1990

Publication title -

journal of microcolumn separations

Language(s) - English

Resource type - Journals

eISSN - 1520-667X

pISSN - 1040-7685

DOI - 10.1002/mcs.1220020309

Subject(s) - repeatability , chemistry , chromatography , injector , resolution (logic) , detector , analytical chemistry (journal) , computer science , mechanical engineering , telecommunications , artificial intelligence , engineering

The main advantages of open tubular liquid chromatography (OTLC) over conventional packed‐column liquid chromatography are the gain in resolution and the increased permeability. At present the reproducible preparation of narrow‐bore columns and the lack of suitable commercial chromatographic equipment delay the development of OTLC. There are stringent requirements for injectors and detectors for OTLC with respect to their volumes, geometry, and contributions to the total band broadening. In this work some properties of two different sampling systems for OTLC were studied with respect to the accuracy and repeatability of the injected volumes. An approach is presented and discussed to determine the profile factors of these injection systems.

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