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单词 pyrolusite
例句 pyrolusite
Generally resembles pyrolusite, but is distinguished from it by its superior hardness. The Elements of Blowpipe Analysis
Manganese is found in nature chiefly as the dioxide MnO2, called pyrolusite. An Elementary Study of Chemistry
The substitution of potassium chlorate for pyrolusite is recommended when calcium chloride is present in the bittern. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria"
The chlorine generated by the pyrolusite is passed into a solution of potassium iodide. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes
Its ores occur abundantly in nature as the minerals pyrolusite, manganite, etc. The Gutenberg Webster's Unabridged Dictionary Section M, N, and O
Heated in an ignition tube yields water in abundance, otherwise it behaves like pyrolusite. The Elements of Blowpipe Analysis
While studying the action of hydrochloric acid upon the mineral pyrolusite, in 1774, Scheele obtained a yellowish, gaseous substance to which he gave a name in keeping with the phlogiston theory then current. An Elementary Study of Chemistry
The binoxide, or peroxide, is the black manganese of commerce, and the pyrolusite of mineralogists, and is by far the most abundant of the manganese ores. Scientific American Supplement, No. 401, September 8, 1883
How does pyrolusite effect the decolorizing of glass containing iron? An Elementary Study of Chemistry
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