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Automated large volume injection in capillary supercritical fluid chromatography

✍ Scribed by Berg, Björn E. ;Greibrokk, Tyge


Publisher
John Wiley and Sons
Year
1994
Tongue
English
Weight
241 KB
Volume
17
Category
Article
ISSN
0935-6304

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📜 SIMILAR VOLUMES


Splitless injection in capillary supercr
✍ Buskhe, A. Farbrot ;Berg, B. E. ;Gyllenhaal, O. ;Greibrokk, T. 📂 Article 📅 1988 🏛 John Wiley and Sons 🌐 English ⚖ 384 KB 👁 1 views

A splitless injection technique, allowing 0.5 pI injectionson 50 pm i.d. columns, has been developed.

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## Abstract A splitless injection method using make‐up flow was developed for SFC. Dilution of sample solvent with carbon dioxide mobile phase was very effective for focusing the solutes onto the column. Injection of a 4.5‐μl sample volume on a 100‐μm i.d. capillary column became possible.

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## Abstract A sample introduction system for capillary SFC was developed to allow introduction of relatively large sample volumes without significant decrease in chromatographic efficiency and resolution. The system includes a sample inlet capillary which receives the liquid aliquot from the LC, wh

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✍ McCabe, T. ;Hiller, J. F. ;Morabito, P. L. 📂 Article 📅 1989 🏛 John Wiley and Sons 🌐 English ⚖ 497 KB 👁 1 views

Automated large volume (25-200 1-11) on-column injections into a gas chromatograph with a capillary column were successfully performed by coupling a retention gap technique with an air actuated rotary valve. The linearity, injection precision, and carryover were evaluated. Slight boiling point discr

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✍ Richter, B. E. ;Knowles, D. E. ;Andersen, M. R. ;Porter, N. L. ;Campbell, E. R. 📂 Article 📅 1988 🏛 John Wiley and Sons 🌐 English ⚖ 312 KB

An analysis of the precision obtained using commercially available microvalve injectors is reported for three modes of injection: conventional split; timed-split; and direct. Results from this study show that good precision (< 3% RSD for external standard and < 1% RSD for internal standard methods)