Manganese

(noun.) a hard brittle grey polyvalent metallic element that resembles iron but is not magnetic; used in making steel; occurs in many minerals.

编辑:朱利叶斯

• The manganese itself combines with part of the chlorine originally in the acid, but not with all. 伯莎M.克拉克. 科学通论.
• In these were found large quantities of iron, considerable percentages of nickel, as well as cobalt, copper, silicon, phosphorus, c arbon, magnesium, zinc, and manganese. 李贝. 西洋科学史.
• The use of manganese and other highly oxidisable metals for this purpose was discovered. 威廉·亨利·杜利特. 世纪发明.
• But that was for the manganese. 乔治·艾略特. 米德尔马契.
• Professor Faraday as early as 1824 had noticed a change in colour gradually produced in glass containing oxide of manganese by exposure to the rays of the sun. 威廉·亨利·杜利特. 世纪发明.
• Preparing oxygen from potassium chlorate and manganese dioxide. 伯莎M.克拉克. 科学通论.
• Mix a small quantity of potassium chlorate with an equal amount of manganese dioxide and place the mixture in a strong test tube. 伯莎M.克拉克. 科学通论.
• Preparing chlorine from hydrochloric acid and manganese dioxide. 伯莎M.克拉克. 科学通论.
• Mushet (British patent No. 2,219, of 1856) of adding spiegeleisen, a triple compound of iron, carbon and manganese, to the charge in the converter. Edward W. Byrn. 十九世纪发明进展.
• The heat causes the manganese dioxide to give up its oxygen, which immediately combines with the hydrogen of the hydrochloric acid and forms water. 伯莎M.克拉克. 科学通论.

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