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Optimization of localized surface plasmon resonance hot spots in surface-enhanced infrared absorption spectroscopy aluminum substrate as an optical sensor coupled to chemometric tools for the purity assay of quinary mixtures

Materials SciencePlasmonicsChemical EngineeringSpectroscopic MethodEngineeringOptical PropertiesSpectroscopyNatural SciencesInfrared SpectroscopyAbsorption SpectroscopyAnalytical ChemistryChemistryOptical SensorOptical SensorsQuinary MixturesPurity Assay