1. M. Balcerzak, E. Swiecicka
Rapid simultaneous determination of ruthenium and osmium in aqueous solutions of their tetroxides by second-order derivative spectrophotometry
Analytica Chimica Acta
Vol. 349, Is. 1-3, 1997, pp. 53-57
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http://dx.doi.org/10.1016/S0003-2670(97)00251-1]Determination of ruthenium and osmium in each other's presence in chloride solutions by direct and third-order derivative spectrophotometry
Talanta
Vol. 43, Is. 3, 1996, pp. 471-478
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http://dx.doi.org/10.1016/0039-9140(95)01776-3Improved spectrophotometric determination of osmium(VIII) with 4-(2-pyridylazo) resorcinol in mixed surfactants
Talanta
Vol. 39, Is. 5, 1992, pp. 535-539
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http://dx.doi.org/10.1016/0039-9140(92)80177-FStudies on the separation of osmium by flotation and spectrophotometric determination with Crystal Violet and Malachite Green
Analytica Chimica Acta
Vol. 242, 1991, pp. 185-190
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http://dx.doi.org/10.1016/0003-2670(91)87062-C