The Chemical Behavior of Low Valence Sulfur Compounds. VI. Decomposition of Tetrasulfur Tetranitride in Aqueous Ammonia Solution

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概要

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• The decomposition of tetrasulfur tetranitride in an aqueous ammonia solution has been investigated. Ammonolysis of tetrasulfur tetranitride gives thiosulfate, sulfite, sulfate and sulfamate through the intermediate compound of trithionate. An increase in the concentration of ammonia raises the yield of sulfamate and lowers that of sulfate, but gives no remarkable change in the yield of thiosulfate. Besides this, in a concentration of ammonia higher than 15 N at 100°C an explosive reaction takes place. Addition of copper ion improves the yield of sulfamate, and the sulfite ion reacts with tetrasulfur tetranitride in an ammonia aqueous solution to form sulfate and sulfamate ion quantitatively.

• 公益社団法人 日本化学会の論文

著者

• Shieh Mu-Chang

  Department of Applied Chemistry, Faculty of Engineering, Tohoku University

• Okabe Taijiro

  Department of Applied Chemistry, Faculty of Engineering

• Katabe Kenichi

  Department of Applied Chemistry, Faculty of Engineering, Tohoku University

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