Homogeneous liquid phase comprising at least two different substances.

Source: IUPAC

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

Tin and mercury content and speciation in red wine from different countries | EVISA's News
Instrument database: Thermo Scientific - Orbitrap Exploris 120 Mass Spectrometer
Material database: Sigma-Aldrich - Standard for Ion Chromatography (1.0 g/L): Tartrate standard for IC
Link database: US EPA Method 1636: Determination of hexavalent chromium by ion chromatography
CIA-2009: 5. Conference über Ionenanalyse | EVISA's Agenda of Events
Copper(II)-binding equilibrium in human blood | EVISA's News
Instrument database: Foss A/S - Process Analytics MicroBundle Multiplexer - XDS
Instrument database: PerkinElmer Inc. - Clarus 560 S GC/Mass Spectrometer
Instrument database: Shimadzu Europe - Nexera MX - Ultra-High Speed LCMS System for Multiplex Analysis
Instrument database: Thermo Scientific - iCAP™ TQ ICP-MS
Instrument database: Varian Inc. (Part A) - Liberty Series II
Link database: Mineral Information Institute: Gallium
Instrument database: Shimadzu Europe - AA-6650F Atomic Absorption Spectrophotometer
Instrument database: Applied Biosystems - API 2000 LC/MS/MS System
Hexavalent chromium in food ? | EVISA's News
Instrument database: Applied Biosystems - 3200 Q TRAP® LC/MS/MS System
Columbia University Receives $16.9 Million Award from NIEHS to Study Origin and Health Effects of Arsenic in Ground Water | EVISA's News
Iron species determination by high performance liquid chromatography coupled with plasma source atomic emission spectrometry | EVISA's News
Material database: Sigma-Aldrich - TraceCERT® single element CRM for AAS (1000 mg/L): Iron
Link database: UNEP - OpenWater: CHROMIUM HEXAVALENT mg/L Cr Colourimetry