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Color Reaction among Pyrogallol Red, Thorium(IV) and Samarium(III), and Its Application to the Determination of These Metals
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1986
Year
Materials ScienceInorganic ChemistryChemical EngineeringColor ReactionEngineeringNatural SciencesSpectroscopyChemical FormPr–th–sm Ternary ComplexRadioanalytical ChemistryAnalytical ChemistryRare MetalChemistrySensitive Spectrophotometric DeterminationsElemental MetalSpectrochemical AnalysisTrace ElementPyrogallol Red
Abstract The color reactions between Pyrogallol Red(PR) and thorium(IV), and also those among PR, thorium(IV) and samarium(III) were studied. Simple and sensitive spectrophotometric determinations of these ions were newly carried out in the range for 1–22 μg/10 cm3 of thorium (IV) and 0.5–10 μg/10cm3 of samarium(III) at 635 nm by using the PR–Th–Sm ternary complex.
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