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Preconcentration of toxic elements in artificial saliva extract of different smokeless tobacco products by dual-cloud point extraction

Artificial Saliva ExtractExtractive MetallurgyChemical EngineeringEnvironmental ChemistryToxic ElementsEngineeringSeparation ScienceSolvent ExtractionEnvironmental EngineeringEnvironmental Analytical ChemistryDual-cloud Point ExtractionEnvironmental RemediationToxicologyAnalytical ChemistryEnvironmental ToxicologySample Pre-treatmentMedicineChromatography