1951 年 15 巻 12 号 p. 617-620
Selenium and tellurium were respectively reduced to metallic state,using titanium,molybdenium and chromium reduced with liquid zinc amalgam, and determined by weighing them.
Selenium was determined successfuly after the reduction to metallic state with the lower valence titanium,molybdenum and chromium. By the same procedure, tellurium was determined successfully only with chromium, and with the the rest any available procedure has not been found get.