Verfahren zur Schätzung Defekter Punkte und Flüssigkeitschromatograph

Details

Veröffentlichungs-Nr.

EP4760255

Anmeldetag

28. Juni 2024

Veröffentlichung

13. Februar 2025

Rechtsraum

EP

IPC

G01N30/86, G01N30/26

Abstract

To estimate a defective consumable from among a plurality of consumables in a plunger pump, or to estimate a defective plunger pump from among a plurality of plunger pumps. A liquid chromatograph 100 includes: a double plunger pump 6 including a first plunger pump 9a, a second plunger pump 10a, and a plurality of consumables 11a to 14a; a pressure sensor 8a configured to detect a pressure of a solvent discharged by the double plunger pump 6; a dispensing unit 2; a separation column 3; and a control unit 16 configured to estimate a defective consumable among the plurality of consumables based on a first pressure detected by the pressure sensor 8a in a first section in which the first plunger pump 9a discharges the solvent into a flow path 101 and a second pressure detected by the pressure sensor 8a in a second section in which the second plunger pump 10a discharges the solvent into the flow path 101.

Anmelder

Firma

HITACHI HIGH-TECH CORPORATION

Land

🇯🇵 Japan