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A smartphone-based colorimetry after dispersive liquid–liquid microextraction for rapid quantification of calcium in water and food samples

Analytical InstrumentationBioanalysisColorimetrySmartphone-based ColorimetryAnalytical ChemistryBiostatisticsRapid QuantificationLiquid ChromatographyClinical ChemistryChromatographic AnalysisMedicineDispersive Liquid–liquid MicroextractionBiophysicsWater Analysis