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Sample introduction and elution method for preparative supercritical fluid chromatography

✍ Scribed by Yoshio Yamauchi; Miki Kuwajima; Muneo Saito


Book ID
108337122
Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
449 KB
Volume
515
Category
Article
ISSN
1873-3778

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πŸ“œ SIMILAR VOLUMES


Introduction of large sample volumes in
✍ Hirata, Yukio ;Koshiba, Hisato ;Maeda, Tsuneaki πŸ“‚ Article πŸ“… 1990 πŸ› John Wiley and Sons 🌐 English βš– 348 KB πŸ‘ 1 views

## 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 solvent‐free sample introduction method for supercritical fluid chromatography that uses polymer coated fused silica fibers results in very stable baseline and high efficiency separations. The method has two steps: first, a fiber is exposed to a prepared mixture of target analytes or

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## Abstract A technique was developed for large volume sample introduction in capillary supercritical fluid chromatography. A 20‐cm length of 200‐μm i.d. capillary tubing was used as precolumn. The precolumn temperature could be easily controlled by passing an electrical current through an electric