 | Edward Turner - Chemistry - 1828 - 516 pages
...certainty. According to Rothoff, the oxygen contained in the two oxides is as 1 to 1.5. The protoxide is of an ash-gray colour, and is the basis of the...vessels it absorbs oxygen, and is converted into the peroxide. It may be prepared by decomposing the carbonate of cobalt by heat in a vessel from which... | |
 | Jacob Green - Chemistry - 1829 - 626 pages
...certainty. According to RothorT, the oxygen contained in the two oxides is as 1 to 1.5. The protoxide is of an ash-gray colour, and is the basis of the...vessels it absorbs oxygen, and is converted into the peroxide. It may be prepared by decomposing the carbonate of cobalt by heat in a vessel from which... | |
 | Encyclopaedia Americana - 1830 - 632 pages
...means of nitric acid. There are but two oxides of cobalt known. The protoxide is of an ash-gray color, and is the basis of the salts of cobalt, most of which...When heated to redness- in open vessels, it absorbs oxvgen, and is converted into the peroxide. It may be prepared by decomposing the carbonate of cobalt... | |
 | Encyclopaedia Americana - 1830 - 636 pages
...protoxide is of an ash-gray color, and is the basig of the salts of cobalt, most of which are of t pink hue. When heated to redness in open vessels, it absorbs oxygen, and is converted into the peroxide. It may be prepared by decomposing the carbonate of cobalt !>y heat, in a vessel from which... | |
 | Edward Turner - Chemistry - 1832 - 638 pages
...absorbs oxygen, and is converted into the peroxide. It may be prepared by decomposing carbonate of cobalt by heat in a vessel from which atmospheric air is excluded. It is easily recognized by giving a blue tint to borax when melted with it; and is employed in the arts,... | |
 | Francis Lieber, Edward Wigglesworth - Encyclopedias and dictionaries - 1835 - 630 pages
...means of nitric acid. There are but two oxides of cobalt known. The protoxide is of an ash-gray color, and is the basis of the salts of cobalt, most of which are of a pink hue. When heated to redness in opeu vessels, it absorbs oxygen, and is converted into the peroxide. It may be prepared bv decomposing... | |
 | Edward Turner - Chemistry - 1835 - 714 pages
...ofColmlt. — This oxide is of an ash-gray eolour, and is the basis of the salts of eobalt, most of whieh are of a pink hue. When heated to redness in open vessels it absorbs oxygen, and is eonverted into the peroxide. It may be prepared by deeomposing earbonate of the protoxide by heat in... | |
 | Sir Daniel Keyte Sandford - Art - 1836 - 502 pages
...is readily oxidyzed by means of nitric acid. There are but two oxydes of cobalt known. The protoxyde is of an ash-gray colour, and is the basis of the...vessels, it absorbs oxygen, and is converted into the peroxyde. It may be prepared by decomposing the carbonate of cobalt by heat, in a vessel from which... | |
 | Francis Lieber, Edward Wigglesworth - Encyclopedias and dictionaries - 1838 - 642 pages
...means of nitric acid. There are but two oxides of cobalt known. The protoxide is of an ash-gray color, and is the basis of the salts of cobalt, most of which...vessels, it absorbs oxygen, and is converted into the peroxide. It may be prepared by decomposing the carbonate of cobalt by heat, in a vessel from which... | |
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The protoxide is of an ash-gray color, and is the basis of the salts of cobalt, most of which are of a pink hue. When heated to redness in open vessels, it absorbs oxygen, and is converted into the peroxide. It may be prepared by decomposing the carbonate... 
