On‐Line Flow‐Injection Detection System and Its Application to the Measurement of Ethanol Transfer and Osmosis Rate in Centrifugal Precipitation Chromatography

Fuquan Yang Laboratory of Biophysical Chemistry, National Heart, Lung, and Blood Institute, National Institutes of Health, Bldg. 50, Rm. 33334, 50 South Drive MSC 8014, Bethesda, Maryland, 20892‐8014, USA

Yoichiro Ito Laboratory of Biophysical Chemistry, National Heart, Lung, and Blood Institute, National Institutes of Health, Bldg. 50, Rm. 33334, 50 South Drive MSC 8014, Bethesda, Maryland, 20892‐8014, USACorrespondence[email protected]

Abstract

An on‐line flow‐injection detection system is newly designed and successfully used in the basic research on determination of the mass transfer and osmosis rates of ethanol through the membrane in centrifugal precipitation chromatography. The system improves the linearity range of the calibration curve, which showed linearity coefficient of correlation of 0.998 between 10 and 80% ethanol solution.

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Acknowledgment

The authors are deeply indebted to Dr. Henry M. Fales for editing the manuscript with valuable suggestions.

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On‐Line Flow‐Injection Detection System and Its Application to the Measurement of Ethanol Transfer and Osmosis Rate in Centrifugal Precipitation Chromatography

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On‐Line Flow‐Injection Detection System and Its Application to the Measurement of Ethanol Transfer and Osmosis Rate in Centrifugal Precipitation Chromatography

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