JP2025024282A - 故障個所推定方法、及び液体クロマトグラフ - Google Patents

故障個所推定方法、及び液体クロマトグラフ Download PDF

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Publication number
JP2025024282A
JP2025024282A JP2023128278A JP2023128278A JP2025024282A JP 2025024282 A JP2025024282 A JP 2025024282A JP 2023128278 A JP2023128278 A JP 2023128278A JP 2023128278 A JP2023128278 A JP 2023128278A JP 2025024282 A JP2025024282 A JP 2025024282A
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Japan
Prior art keywords
plunger pump
pressure
retention time
solvent
double
Prior art date
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Pending
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JP2023128278A
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English (en)
Japanese (ja)
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JP2025024282A5 (enExample
Inventor
駿佑 川邉
Shunsuke KAWABE
裕至 原田
Yuji Harada
益之 杉山
Masuyuki Sugiyama
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Hitachi High-Tech Corp
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Hitachi High-Tech Corp
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Publication date
Application filed by Hitachi High-Tech Corp filed Critical Hitachi High-Tech Corp
Priority to JP2023128278A priority Critical patent/JP2025024282A/ja
Priority to EP24850352.6A priority patent/EP4760255A1/en
Priority to CN202480014277.1A priority patent/CN120752528A/zh
Priority to PCT/JP2024/023450 priority patent/WO2025033015A1/ja
Publication of JP2025024282A publication Critical patent/JP2025024282A/ja
Publication of JP2025024282A5 publication Critical patent/JP2025024282A5/ja
Pending legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02—Column chromatography
    • G01N30/86—Signal analysis
    • G01N30/8658—Optimising operation parameters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02—Column chromatography
    • G01N30/04—Preparation or injection of sample to be analysed
    • G01N30/16—Injection
    • G01N30/20—Injection using a sampling valve
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02—Column chromatography
    • G01N30/26—Conditioning of the fluid carrier; Flow patterns
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02—Column chromatography
    • G01N30/86—Signal analysis
    • G01N30/8624—Detection of slopes or peaks; baseline correction
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02—Column chromatography
    • G01N30/86—Signal analysis
    • G01N30/8693—Models, e.g. prediction of retention times, method development and validation

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
JP2023128278A 2023-08-07 2023-08-07 故障個所推定方法、及び液体クロマトグラフ Pending JP2025024282A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2023128278A JP2025024282A (ja) 2023-08-07 2023-08-07 故障個所推定方法、及び液体クロマトグラフ
EP24850352.6A EP4760255A1 (en) 2023-08-07 2024-06-28 Defective point estimation method and liquid chromatograph
CN202480014277.1A CN120752528A (zh) 2023-08-07 2024-06-28 故障部位推定方法以及液相色谱仪
PCT/JP2024/023450 WO2025033015A1 (ja) 2023-08-07 2024-06-28 故障個所推定方法、及び液体クロマトグラフ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2023128278A JP2025024282A (ja) 2023-08-07 2023-08-07 故障個所推定方法、及び液体クロマトグラフ

Publications (2)

Publication Number Publication Date
JP2025024282A true JP2025024282A (ja) 2025-02-20
JP2025024282A5 JP2025024282A5 (enExample) 2026-01-30

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ID=94534498

Family Applications (1)

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JP2023128278A Pending JP2025024282A (ja) 2023-08-07 2023-08-07 故障個所推定方法、及び液体クロマトグラフ

Country Status (4)

Country Link
EP (1) EP4760255A1 (enExample)
JP (1) JP2025024282A (enExample)
CN (1) CN120752528A (enExample)
WO (1) WO2025033015A1 (enExample)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2556039B2 (ja) * 1986-06-19 1996-11-20 株式会社島津製作所 送液ポンプ
JPH03168377A (ja) * 1989-11-27 1991-07-22 Kawasaki Steel Corp ポンプの異常診断方法及び装置
JP2006098226A (ja) * 2004-09-29 2006-04-13 Fuji Photo Film Co Ltd シリンジポンプの異常検出方法及び液体吸引吐出器並びに生化学分析装置
WO2017090184A1 (ja) * 2015-11-27 2017-06-01 株式会社島津製作所 送液装置
JP6658091B2 (ja) 2016-02-29 2020-03-04 株式会社島津製作所 分析測定装置システム
US12105069B2 (en) 2019-03-13 2024-10-01 Shimadzu Corporation Liquid sending system for liquid chromatograph
JP7550970B2 (ja) * 2021-04-27 2024-09-13 株式会社日立ハイテク 自動分析装置

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CN120752528A (zh) 2025-10-03
EP4760255A1 (en) 2026-06-17
WO2025033015A1 (ja) 2025-02-13

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