at-line extraction

https://doi.org/10.1351/goldbook.10294
Flow system with extraction device employing a local detector.
Note: The extraction phase is typically collected in an automated fraction collector and introduced into a detector via a robotic device.
Source:
PAC, 2016, 88, 517. 'Glossary of terms used in extraction (IUPAC Recommendations 2016)' on page 553 (https://doi.org/10.1515/pac-2015-0903)