The equipment of a laboratory in which students are to be trained for practical work in metallurgical chemistry presents many difficulties not encountered in the
The work of a chemist at a busy smelting-plant differs radically from the work of a student, who takes all possible care to have his
The increasing demand for greater speed and more accuracy, in making daily assays of ores and products from mills treating material containing but very small
One of the properties of copper, which has done much to give it its present prominent place among the useful metals, is its electrical conductivity,—a
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I tested an ore, which was peculiarly difficult to treat, on several concentrators then in general use, including the Frue-vanner, the Luhrig table and the
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“At-a-glance” corrosion chart for sulfuric acid is based on an extensive survey of construction materials; gives rough indication of suitable alloys. A variety of methods
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This paper is intended partly as a summary of the conclusions that have been arrived at by various authorities on this matter, and also with
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