Extractant
Ib qho tshuaj reagent uas tuaj yeem tsim cov organic-soluble extract nrog cov extract. Nyob rau hauv hydrometallurgy, lub luag haujlwm ntawm cov extractant yog tsim ib qho extract compound rau hauv cov organic theem los ntawm cov tshuaj lom neeg cov tshuaj tiv thaiv nrog cov extracted hlau, thiab reversely rho tawm cov extracted hlau los ntawm cov organic theem mus rau aqueous theem los ntawm ib tug tej yam tshuaj tiv thaiv. Nyob rau hauv no txoj kev, lub hom phiaj ntawm hlau purification thiab enrichment yog tiav.