✦ LIBER ✦

On the influence of the solute sample size on temperature-programmed retention indices

✍ Scribed by Wang, Tiansong ;Sun, Yiliang

Publisher: John Wiley and Sons
Year: 1987
Tongue: English
Weight: 324 KB
Volume: 10
Category: Article
ISSN: 0935-6304
DOI: 10.1002/jhrc.1240101105

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✦ Synopsis

Sum ma ry

The effect of the solute sample size on the measurement of temperature-programmed retention indices (ITP) has been studied on glass capillary columns with different stationary phases, film thicknesses, and temperature programs. The sample capacity of a solute is little affected by the parameters of temperature program, i.e. initial temperature and heating rate. However, it has been found that in a temperature programmed run, allowable sample sizes for high ITP values are lower than for low I,, values. About 10 ng of each compound is recommended as the sample size for accurate measurement of I,, values on commonly used capillary columns.

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