The Prospectors Handbook a Guide for the Prospector And Traveller in Search of
The Prospectors Handbook a Guide for the Prospector And Traveller in Search of
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To quickly assess the difficulty of the text, read a short excerpt:
In the one the copper sulphide is roasted to sulphate, which can then be extracted with water, the copper being afterwards precipitated by TREATMENT OF SILVER-BEARING ORES. I*?
iron. In the other, the oxide ore, containing some sulphur, is roasted with common salt, cupric chloride resulting, which can be leached out by the addition of water, the residues being subsequently extracted by the hydrochloric acid, which forms a bye product of this process.
To extract lead from galena, in a manner aki...n to that referred to in assaying, is a comparatively simple process. To do so, however, in the most economical manner, many operations and much plant may be necessary, the very lead fumes being in some instances turned to account. It must be remembered that galena contains silver, not always in such quantity as to demand much consideration; but frequently the reverse : indeed, often a galena ore may be only valuable for its silver. As the lead obtained from the smelting furnace contains also the silver (and gold), the cupellation process, the principle of which has been men- tioned in page 117, or other methods are made use of to obtain the precious metals.
What to read after The Prospectors Handbook a Guide for the Prospector And Traveller in Search of?
You can find similar books in the "Read Also" column, or choose other free books by J W John William Anderson to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
In the one the copper sulphide is roasted to sulphate, which can then be extracted with water, the copper being afterwards precipitated by TREATMENT OF SILVER-BEARING ORES. I*?
iron. In the other, the oxide ore, containing some sulphur, is roasted with common salt, cupric chloride resulting, which can be leached out by the addition of water, the residues being subsequently extracted by the hydrochloric acid, which forms a bye product of this process.
To extract lead from galena, in a manner aki...n to that referred to in assaying, is a comparatively simple process. To do so, however, in the most economical manner, many operations and much plant may be necessary, the very lead fumes being in some instances turned to account. It must be remembered that galena contains silver, not always in such quantity as to demand much consideration; but frequently the reverse : indeed, often a galena ore may be only valuable for its silver. As the lead obtained from the smelting furnace contains also the silver (and gold), the cupellation process, the principle of which has been men- tioned in page 117, or other methods are made use of to obtain the precious metals.
What to read after The Prospectors Handbook a Guide for the Prospector And Traveller in Search of?
You can find similar books in the "Read Also" column, or choose other free books by J W John William Anderson to read onlineMoreLess
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