Hydrometallurgy of Silver With Special Reference to Chloridizing Roasting of Si
Hydrometallurgy of Silver With Special Reference to Chloridizing Roasting of Si
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These claims attracted general attention, and if they had been true in the sense in which they were given out this process would have marked a decided step forward in the hydrometallurgy of silver; but these claims were based on results obtained on a very small scale, and under conditions which are not practicable to create and maintain on a large scale, while the results, even under such conditions, especially with regard to raw ores, proved to be not good enough to justify the application of ...the process in practical metallurgy. To protect himself against failure it is of the greatest importance that the experimenter should execute 251 252 HYDROMETALLURGY OF SILVER his experiments under conditions which can be practically main- tained on a large scale. As soon as he has, by working on a large scale, to change the conditions w r hich he maintained in his labora- tory tests, he will obtain very different results, and only too often will experience a complete failure.
If a half ounce of raw sulphureted ore is treated in a beaker with a large excess of a 32 per cent, "extra solution" for twelve hours with frequent stirring, as was done by Russell in the labora- tory, it is experiment ing under condit ions which cannot be profitably maintained on a large scale, and the results thus obtained, if pub- lished, should be given as a matter of scientific interest but not as actual results of a new metallurgical process, especially if the con- dition under which these results were obtained are withheld.
What to read after Hydrometallurgy of Silver With Special Reference to Chloridizing Roasting of Si?
You can find similar books in the "Read Also" column, or choose other free books by Ottokar Hofmann to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
These claims attracted general attention, and if they had been true in the sense in which they were given out this process would have marked a decided step forward in the hydrometallurgy of silver; but these claims were based on results obtained on a very small scale, and under conditions which are not practicable to create and maintain on a large scale, while the results, even under such conditions, especially with regard to raw ores, proved to be not good enough to justify the application of ...the process in practical metallurgy. To protect himself against failure it is of the greatest importance that the experimenter should execute 251 252 HYDROMETALLURGY OF SILVER his experiments under conditions which can be practically main- tained on a large scale. As soon as he has, by working on a large scale, to change the conditions w r hich he maintained in his labora- tory tests, he will obtain very different results, and only too often will experience a complete failure.
If a half ounce of raw sulphureted ore is treated in a beaker with a large excess of a 32 per cent, "extra solution" for twelve hours with frequent stirring, as was done by Russell in the labora- tory, it is experiment ing under condit ions which cannot be profitably maintained on a large scale, and the results thus obtained, if pub- lished, should be given as a matter of scientific interest but not as actual results of a new metallurgical process, especially if the con- dition under which these results were obtained are withheld.
What to read after Hydrometallurgy of Silver With Special Reference to Chloridizing Roasting of Si?
You can find similar books in the "Read Also" column, or choose other free books by Ottokar Hofmann to read onlineMoreLess
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