Liquid purification or separation – Processes – Chromatography
Patent
1998-01-09
2000-05-16
Therkorn, Ernest G.
Liquid purification or separation
Processes
Chromatography
2101982, 73 6155, 436161, B01D 1508
Patent
active
060632836
ABSTRACT:
A liquid chromatograph includes pumps for supplying solvents, a mixer for mixing the solvents, a controller for controlling a mixing ratio of the solvents in the mixer, a chromatograph column for separating a sample carried with the solvents, a flow path control valve for supplying the sample together with the solvents to the chromatograph column, and a detector for detecting the sample supplied thereto, wherein the mixer includes a mixing chamber and a porous medium accommodated in the mixing chamber, the porous medium having a size and shape in conformity with a size and shape of said mixing chamber such that no substantial gap is formed between an outer surface of the porous medium and an inner surface of the mixing chamber.
REFERENCES:
patent: 4577492 (1986-03-01), Holba et al.
patent: 4743377 (1988-05-01), Ohtsu
patent: 5135649 (1992-08-01), Kanda et al.
patent: 5173163 (1992-12-01), Tehrani
patent: 5203991 (1993-04-01), Kutsuna
patent: 5277813 (1994-01-01), Feibush et al.
Haginaka, J., et al. J. Chromatogr. 529 (1990) 455-461, Elsevier Science Publishers B.V.
Patent Abstracts of Japan, vo. 10, No. 38 (P-428) (2095), Feb. 14, 1986 An Abstract of JP-A-60 183 554 (Hitachi Seisakusho K.K.) Mar. 1, 1984.
Patent Abstracts of Japan, vol. 17, No. 399 (P01579) Jul. 26, 1993 & JP-A-05 072 190 (Shiseido).
Chemometrics and Intelligent Laboratory Systems, vol. 17, No. 2, Nov. 1992, Amsterdam, NL pp. 233-242, XP3225665, L.-E. Edholm, et al., `automated bioanalysis of drugs using coupled column liquid chromatography for sample pretreatment--aspects of quality assurance and collaborative automated handling of data`.
Trac, Trends in Analytical Chemistry., vol. 6, No. 5, Jun. 1987, Cambridge GB pp. 134-138 H.M. Ruijten, et al.
Scott, R.P.W., et al., "The Exclusion Properties of Some Commerically Available Silica Gels," Journal of Chromatography, vol. 125, pp. 251-263, 1976.
Ishii, D., et al., "A Study of Micro-High-Performance Liquid Chromatography," Journal of Chromatography, vol. 144, pp. 157-168, 1977.
Novotny, Milos, "Recent Advances in Microcolumn Liquid Chromatography," Analytical Chemistry, vol. 60, Apr. 15, 1988, p. 500-510.
Tsuda, Takao, et al., "Band-Broadening Phenomena in Microcapillary Tubes Under the Conditions of Liquid Chromatography," Analytical Chemistry, vol. 50, Apr. 1978, pp. 632-634.
Snyder, Introduction to Modern Liquid Chromatography, John Wiley & Sons, Inc., 1979, New York, pp. 228-230.
Ohtsu Yutaka
Shirota Osamu
Suzuki Ayako
Tsuruta Hisao
Yamaguchi Michihiro
Shiseido Company Ltd.
Therkorn Ernest G.
LandOfFree
Method for analyzing a sample by using a liquid chromatograph does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method for analyzing a sample by using a liquid chromatograph, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for analyzing a sample by using a liquid chromatograph will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-255807