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Visual Colorimetry for Trace Antimony(V) by Ion-Pair Solid-Phase Extraction with Bis[2-(5-chloro-2-pyridylazo)-5-diethylaminophenolato]cobalt(III) on a PTFE Type Membrane Filter

Inorganic ChemistryChemical EngineeringEngineeringNatural SciencesSpectroscopyIon-pair Solid-phase ExtractionVisual ColorimetryAnalytical ChemistryChemistryTrace AntimonyElemental Characterization