Differential determination of antimony(III) and antimony(V) by solvent extraction-spectrophotometry with mandelic acid and Malachite Green, based on the difference in reaction rates.
作者： S SATO
DOI: 10.1016/0039-9140(85)80096-5
关键词:
摘要: Highly sensitive and reproducible extraction-spectrophotometric methods for differential determination of antimony(III) antimony(V) were investigated. It was found that reacts easily with mandelic acid to form a complex anion extractable into chlorobenzene Malachite Green from weakly acidic media (pH 2.2-3.5) at room temperature, whereas only slowly, heating 15 min 45 degrees is needed obtain maximum sensitivity. The significant difference between the rates reaction applied these two species. calibration graph linear over range 0.15-6.0 mug antimony(III), 0.20-10 antimony(V).
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