The material that is coming from a chromatographic separation. Can also be the waste outfall from industries. Also is the term for sewage (sewage effluent).

The term "effluent" was found in the following pages:

Directory of scientists: Chuni L. Chakrabarti
Standard methods for elemental speciation analysis | EVISA's News
EPA Study: Mercury Levels in Women of Childbearing Age Drop 34 Percent | EVISA's News
Link database: US EPA Method 1631: rev.e - Mercury in water by oxidation , purge and trap and CVAFS
Instrument database: LAR Process Analysers AG - BioMonitor®
Instrument database: Tekran Instruments Corporation - Model 2500 CVAFS Mercury Detector
Tracing Gadolinium-based Contrast Agents from Wastewater, via Surface Water to Drinking Water | EVISA's News
The behavior of Gd-based contrast agents during wastewater treatment | EVISA's News
Link database: LGC Project S3 – Analytical tools and procedures for trace element speciation studies in metal accumulating plants
Instrument database: Mercury Instruments GmbH - Process Analyzer PA-1
Instrument database: Progression, Inc. - iPulse
Instrument database: LAR Process Analysers AG - QuickTONb®
Directory of scientists: Alan G. Howard
LC-ICP-MS: The most often used hyphenated system for speciation analysis | EVISA's News
Material database: IRMM - Institute for Reference Materials and Measurements - ERM -CA713: Trace elements in wastewater
Instrument database: LAR Process Analysers AG - QuickTOC®
Toxic Methylmercury-Producing Microbes More Widespread Than Realized | EVISA's News
'Surprisingly High Levels' of Methylmercury Contamination found in Groundwater | EVISA's News
Determination of gadolinium-based MRI contrast agents in fresh and oceanic waters of Australia | EVISA's News
Instrument database: Leco Inc. - Pegasus 4D GCxGC-TOFMS