Flow path washing method of auto sampler and flow path washing apparatus of auto sampler
US12392794B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 10, 2021 |
| Grant date | Aug 19, 2025 |
| Priority date | — |
| Expiry date | Oct 12, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2035/1006
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A flow path washing method and apparatus for an auto sampler in which, when a cleaning fluid supplied to a flow path which is switched between a first flow path including a nozzle for aspirating a sample and a sample loop for holding the aspirated sample, and a second flow path including a washing tub for washing at least an outer wall of the nozzle, a control unit changes a flow velocity of the cleaning fluid supplied between measurement of a first measurement item and measurement of a second measurement item based on washing information showing washing patterns corresponding to measurement items of the sample, including at least one of first washing information showing a washing pattern corresponding to the first measurement item of the sample and second washing information showing a washing pattern corresponding to the second measurement item to be measured subsequent to the first measurement item.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.