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Title:
クロマトグラフカラムを通して流れる流体を循環するためのシステム
Document Type and Number:
Japanese Patent JP4589393
Kind Code:
B2
Abstract:
Disclosed are systems and methods that include a sampling device, a chromatographic column, and a transfer line through which a fluid containing analytes to be measured are communicated from the sampling device to the column. The pressure at which the fluid containing the analytes is applied at the inlet of the transfer line is adjusted as the temperature of the column increases in accordance with certain relationships in order to maintain a substantially constant flow rate or velocity for the fluid exiting the column. In this way, the system compensates for changes in the viscosity of the fluid flowing through the column that result from changes in the column temperature.

Inventors:
Andrew Chippler
Richard G. Edwards
Application Number:
JP2007523750A
Publication Date:
December 01, 2010
Filing Date:
July 26, 2005
Export Citation:
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Assignee:
PERKINELMER HEALTH SCIENCES, INC.
International Classes:
G01N30/32; G01N30/04; G01N30/12; G01N30/54
Domestic Patent References:
JP4130269A
JP2000046817A
JP5288737A
Foreign References:
WO2004053478A1
US20020194898
Other References:
Leonid M.Blumberg, and Matthew S.Klee,Method Translation and Retention Time Locking in Partition GC,Analytical Chemistry,1998年 9月15日,Vol.70, No.18,P.3828-3839
Robert Shellie, Philip Marriott, Paul Morrison, and Luigi Mondello,Effects of pressure drop on absolute retention matching in comprehensive two-dimensional gas chromatography,Journal of Separation Science,2004年 5月,Vol.27, No.7/8,P.504-512
R.Villalobos, and R.Annino,The Application of Capillary Columns in Process Gas Chromatography - Problems and Solutions,Analysis Instrumentation,1985年,Vol.21,P.73-82
F.R.Gonzalez, and A.M.Nardillo,Theoretical and practical aspects of flow control in programmed-temperature gas chromatography,Journal of Chromatography A,1997年 1月 3日,Vol.757, No.1/2,P.97-107
特開2000-046817号公報に記載の数式変形過程
Attorney, Agent or Firm:
Masatake Shiga
Takashi Watanabe
Yasuhiko Murayama
Shinya Mitsuhiro