A Manual of Chemical Analysis, Qualitative And Quantitative. for the Use of Students
A Manual of Chemical Analysis, Qualitative And Quantitative. for the Use of Students
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In our eReader you can find the full English version of the book. Read A Manual of Chemical Analysis, Qualitative And Quantitative. for the Use of Students Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book A Manual of Chemical Analysis, Qualitative And Quantitative. for the Use of Students
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lOO'OO Quantitative estimation as Cyanide. — Cyanide of potassium is added in sufficient quantity to redissolve the precipitate which is at first formed, dilute nitric acid is then added, and a g:entle heat applied, by which the whole of the cyanide of silver is precipitated. It is washed and dried at 212^.
The composition of cyanide of silver is — One equivalent of Cy .... 26 . * 19*4 One ditto ofAg . . . 108 . . 806 One ditto of AgCy . . . 134 . . 1000 Silver when combined with organic acids,... is estimated in the metallic state, to which it is reduced by igniting the salt in a porcelain crucible. The heat should be gentle at first and the cover on, to prevent loss during the ignition. The lid is after- wards removed, and a strong heat applied for a considerable time, in order to effect complete combustion of the carbon of the organic acid. Silver is completely separated from all the metals of the first four groups by sulphuretted hydrogen. The solutions must in all cases be acid.
What to read after A Manual of Chemical Analysis, Qualitative And Quantitative. for the Use of Students?
You can find similar books in the "Read Also" column, or choose other free books by Noad, Henry Minchin, 1815-1877 to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
lOO'OO Quantitative estimation as Cyanide. — Cyanide of potassium is added in sufficient quantity to redissolve the precipitate which is at first formed, dilute nitric acid is then added, and a g:entle heat applied, by which the whole of the cyanide of silver is precipitated. It is washed and dried at 212^.
The composition of cyanide of silver is — One equivalent of Cy .... 26 . * 19*4 One ditto ofAg . . . 108 . . 806 One ditto of AgCy . . . 134 . . 1000 Silver when combined with organic acids,... is estimated in the metallic state, to which it is reduced by igniting the salt in a porcelain crucible. The heat should be gentle at first and the cover on, to prevent loss during the ignition. The lid is after- wards removed, and a strong heat applied for a considerable time, in order to effect complete combustion of the carbon of the organic acid. Silver is completely separated from all the metals of the first four groups by sulphuretted hydrogen. The solutions must in all cases be acid.
What to read after A Manual of Chemical Analysis, Qualitative And Quantitative. for the Use of Students?
You can find similar books in the "Read Also" column, or choose other free books by Noad, Henry Minchin, 1815-1877 to read onlineMoreLess
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