1983
DOI: 10.1002/jhrc.1240060407
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High resolution liquid chromatography with a packed micro glass capillary column

Abstract: SummarySingle, long columns (1-5 m) can be prepared efficiently using reversed phase packings (3-10 pm particle diameter). 1-m columns packed with 3 and 10 pm packing provide 1 10 000 and 50 000 theoretical plates, respectively. Very efficient columns can resolve highly complex mixtures and difficult-to-separate compounds. Temperature gradient elution is a powerful technique for LC with microbore columns.

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Cited by 69 publications
(26 citation statements)
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“…The work of Novotny and co-workers [40][41][42], Yang [37] and Scott et al [44][45][46][47][48] are regarded as key publications in the field of microcolumn LC. The initial developments towards miniaturization in high-performance liquid chromatography were quickly followed by a number of laboratories worldwide [49][50][51].…”
Section: Introductionmentioning
confidence: 99%
“…The work of Novotny and co-workers [40][41][42], Yang [37] and Scott et al [44][45][46][47][48] are regarded as key publications in the field of microcolumn LC. The initial developments towards miniaturization in high-performance liquid chromatography were quickly followed by a number of laboratories worldwide [49][50][51].…”
Section: Introductionmentioning
confidence: 99%
“…Although varying temperatures are not limited to small ID columns, such columns are better candidates for rapid changes in the column temperature, either on switching between constant temperatures or on use of temperature gradients, due to their low thermal mass [35,80]. An example of high resolution of polymeric amines with MW of 1000 -9000 by a temperature program is shown in Figure 1, with both mass spectrometric and light scattering detection.…”
Section: Improved Temperature Controlmentioning
confidence: 98%
“…For example, fast separations are performed on columns typically 10-20 cm long (32), whereas high-resolution separations of complex mixtures will require column lengths of up to a few meters (26,27,(33)(34)(35). Some details of the preparation procedure have beenreported by many workers (14,26,33), but they vary considerably among laboratories. Some of them are even patented (36).…”
Section: Column Preparationmentioning
confidence: 98%
“…The balanced density method is not popular because of the toxicity of the solvent and difficulty in washing. The viscosity method, which often has been used for microbore columns (45), can also produce high efficiencies (26). Gluckman et al have reported that the viscosity method requires long packing times and produces a relatively loosely packed bed, rcsulting in voids at the column head during use (14).…”
Section: Column Preparationmentioning
confidence: 99%