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本文研究了萃取—浮选光度法测定锇。考察了其它铂族元素对本法的影响。0.5～3μg/10ml的锇符合比尔定律。罗丹明6G与锇的克分子比为4:1。克分子吸光系数ε=2.0×10~5。方法适用于复杂矿物中锇的测定。
In this paper, extraction - flotation spectrophotometric determination of osmium. The effects of other platinum group elements on this law were examined. Os for 0.5-3μg / 10ml complies with Beer’s law. The rhodamine 6G and osmium molar ratio of 4: 1. Molecular absorption coefficient ε = 2.0 × 10 ~ 5. The method is suitable for the determination of osmium in complex minerals.