Osmium
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Advances in Spectrophotometric Determination of Osmium: Role of Organic Reagents in Trace Analysis and Speciation
Abstract: Osmium, a rare and highly toxic platinum-group metal, requires accurate and sensitive analytical determination due to its industrial importance and environmental hazards, particularly in the form of osmium tetroxide (OsO₄). Spectrophotometric techniques remain among the most versatile and cost-effective approaches for osmium analysis. This review provides a comprehensive evaluation of spectrophotometric methods employing a wide range of organic reagents, including sulfur-containing ligands, azo dyes, flavonoids, nitroso compounds, phenolics, and advanced …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 17, Issue 3, 2026 Read article