Catalytic Analysis. XI : Microdetermination of Osmium by a Reaction between Potassium Permanganate and Arsenious Acid

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概要

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• Applying the catalytic behaviour of osmium on the reduction of permanganate to the colorless divalent state with arsenious acid, the relation between the time required for the decoloration and the amount of osmium added is found with the Ukena's colorimeter, which renders it possible to determine 1.5-7.5γ of osmium by the time measurement under the same condition. The determinations at several temperatures or in the presence of some diverse ions were studied.

• 東北大学の論文

著者

• Shiokawa Takanobu

  The Research Institute For Iron Steel And Other Metals

関連論文

• Catalytic Analysis. VIII : Microdetermination of Osmium by a Reaction between Potassium Chlorate and Potassium Iodide
• Catalytic Analysis. V. Microdetermination of Sulphide, Thiosulphate and Thiocyanate with the Fluorescence Indicator
• Catalytic Analysis. XIII : Microdetermination of Molybdenum with Ukena's Colorimeter
• Catalytic Analysis. X : Microdetermination of Osmium by a Reaction between Ceric Sulfate and Arsenious Acid
• Catalytic Analysis. XIV : Rapid Microdetermination of Sulfide, Thiosulfate and Thiocyanate by Gas Evolution Method
• Catalytic Analysis. XI : Microdetermination of Osmium by a Reaction between Potassium Permanganate and Arsenious Acid
• Catalytic Anaiysis. VII : Microdetermination of Tungsten with Pulfrich's Photometer
• Catalytic Analysis. XVI : Microdetermination of Ruthenium with Ukena's Colorimeter
• Catalytic Analysis. IX : Microdetermination of Osmium by a Reaction between p-Phenylenediamine and Hydrogen Peroxide
• Catalytic Analysis. XV : Rapid Microdetermination of Manganese, Copper and Palladium by Gas Evolution Method
• Catalytic Analysis. XII : Microdetermination of Vanadium with the Pulfrich's Photometer

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