Testing for Metallurgical Processes
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In our eReader you can find the full English version of the book. Read Testing for Metallurgical Processes 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 Testing for Metallurgical Processes
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This very simple, though delicate, process depends upon the fact that the silver in cop- per mattes is converted into silver sulphate by means of the sulphuric anhydride evolved from the decom- position of iron sulphate and copper sulphate, which are formed during the roasting from the iron and copper sulphides present in the mattes. The pro- cess consists of roasting the sulphides with an ex- cess of air, so that they are oxidized partly to sul- phates, which are then heated sufficiently to de...com- pose the sulphates of iron and most of the sulphates of copper, while the silver remains sulphatized as AgS0 4 and may be dissolved out with boiling water to be subsequently precipitated on metallic copper. Simple as it appears this process is extremely diffi- cult to execute, for it requires a high degree of skill to seize the exact period when the iron and copper sulphates are converted into their insoluble higher oxides and when none of the silver sulphate is de- composed.
Procedure. Grind about 1% lb.
What to read after Testing for Metallurgical Processes?
You can find similar books in the "Read Also" column, or choose other free books by James Allen Barr to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
This very simple, though delicate, process depends upon the fact that the silver in cop- per mattes is converted into silver sulphate by means of the sulphuric anhydride evolved from the decom- position of iron sulphate and copper sulphate, which are formed during the roasting from the iron and copper sulphides present in the mattes. The pro- cess consists of roasting the sulphides with an ex- cess of air, so that they are oxidized partly to sul- phates, which are then heated sufficiently to de...com- pose the sulphates of iron and most of the sulphates of copper, while the silver remains sulphatized as AgS0 4 and may be dissolved out with boiling water to be subsequently precipitated on metallic copper. Simple as it appears this process is extremely diffi- cult to execute, for it requires a high degree of skill to seize the exact period when the iron and copper sulphates are converted into their insoluble higher oxides and when none of the silver sulphate is de- composed.
Procedure. Grind about 1% lb.
What to read after Testing for Metallurgical Processes?
You can find similar books in the "Read Also" column, or choose other free books by James Allen Barr to read onlineMoreLess
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