Pressure-controlled on-column injection method for microcolumn liquid chromatography. |
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| Authors: | Toyohide Takeuchi Takuya Kimura Ji-Ye Jin Chuzo Fujimoto Kazutoku Ohta Kwang-Pill Lee Je-Jeong Ryoo Seong-Ho Choi |
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| Affiliation: | Department of Chemistry, Faculty of Engineering, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan. takeuchi@apchem.gifu-u.ac.jp |
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| Abstract: | A pressure-controlled on-column injection method was developed for microcolumn liquid chromatography. The system was assembled from a syringe pump, a Model M-445 Six-Way Micro Selection Valve, a separation column and a UV detector. The injection volume could be regulated by changing the applied pressure and/or the sample loading time. The system was evaluated in the ion-exchange mode. The system was applied to the determination of anions in river-water samples. |
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