Title:
LIQUID CHROMATOGRAPH
Document Type and Number:
WIPO Patent Application WO/2020/183564
Kind Code:
A1
Abstract:
This liquid chromatograph comprises: a plurality of mobile phase containers (20a) to (20c) that house a mobile phase to be sent to a column (10); a liquid scale (5) that measures the respective amounts of the mobile phase housed in the plurality of mobile phase containers (20a) to (20c); and a mobile phase liquid supplying unit (4) that supplies the mobile phase housed in the plurality of mobile phase containers (20a) to (20c) to the column (10). The mobile phase liquid supplying unit (4) includes a liquid supply pump (2), a passage-switching valve (26), and a liquid supply control unit (30). In cases in which the mobile phase amount measured by the liquid scale (5) in a mobile phase container connected to a mobile phase passage by means of the passage-switching valve (26) becomes equal to or less than a predetermined amount threshold, the liquid supply control unit (30) controls the passage-switching valve (26) to switch the mobile phase container to be connected to the mobile phase passage.
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Inventors:
YOSHINO SAKI (JP)
NARIMATSU MICHIMASA (JP)
NARIMATSU MICHIMASA (JP)
Application Number:
PCT/JP2019/009671
Publication Date:
September 17, 2020
Filing Date:
March 11, 2019
Export Citation:
Assignee:
SHIMADZU CORP (JP)
International Classes:
G01N30/26; G01N30/86
Foreign References:
| JP2002277451A | 2002-09-25 | |||
| JPH10215494A | 1998-08-11 | |||
| JP2004286663A | 2004-10-14 | |||
| JP2015059895A | 2015-03-30 | |||
| US20140182396A1 | 2014-07-03 |
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
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