retentate stream
Copy
https://doi.org/10.1351/goldbook.10289
Sample left over in membrane separations after initial contact with the membrane.
Source:
PAC, 2016,
88
, 517. 'Glossary of terms used in extraction (IUPAC Recommendations 2016)' on page 552 (https://doi.org/10.1515/pac-2015-0903)