Measuring and testing – Liquid analysis or analysis of the suspension of solids in a... – Content or effect of a constituent of a liquid mixture
Patent
1998-12-15
2000-11-21
Williams, Hezron
Measuring and testing
Liquid analysis or analysis of the suspension of solids in a...
Content or effect of a constituent of a liquid mixture
210656, 250301, G01N 3000, B01D 1508, G01T 1167
Patent
active
061486612
ABSTRACT:
A method of separating and analyzing slightly volatile cations and/or anions contained in a sample immediately and simultaneously. The sample is injected into a chromatography device in liquid phase co-operating with at least one stationary phase likely to retain the cations and the anions contained in the sample by competing interactions with the stationary phase or phases. The cations and anions are eluted by feeding at least one mobile phase which can be evaporated through the stationary phase or phases. The cations and the anions present in the mobile phase or phases are analyzed with the aid of an evaporative light scattering detector.
REFERENCES:
patent: 3920398 (1975-11-01), Small et al.
Dobson, G. et al.: "Silver Ion Chromatography of Lipids and Fatty Acids" Journal of Chromatography B: Biomedical Applications, vol. 671, No. 1, Sep. 15, 1995, pp. 197-222.
Niemi R. et al.: "Simultaneous Determination of Clodronate and Its Partial Ester Derivatives by Ion-Pair Reversed-Phase High-Performance Liquid Chromatography Coupled With Evaporative Light-Scattering Detection" Journal Of Chromatography B: Biomedical Sciences and Applications, vol. 701, No. 1, Nov. 7, 1997, pp. 97-102.
J. M. Charlesworth: "Evaporative Analyzer as a Mass Detector for Liquid Chromatography" Analytical Chemistry, vol. 50, No. 11, Sep. 1978, pp. 1414-1420.
French Preliminary Search Report dated Sep. 7, 1998.
Politzer Jay L.
Sedere S.A.
Universite d'Orleans-UFR de Sciences
Williams Hezron
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