This paper is one of a series prepared by the Bureau of Mines on shaft sinking methods and costs in various districts throughout the United
Vacuum distillation tests on a magnesium alloy containing 20 percent cadmium indicated that it would not be practicable to separate the two metals by selective
Although there are many potential ceramic uses for kaolinitic materials of the type occurring in the Eufaula district, this investigation has been limited to a
Loss of metal and damage to buried metal structures because of corrosive action is, to a large extent, determined by the soil resistivity in the
The development of a fused-salt Titanium Electrorefining technique to recover hyperpurity titanium from offgrade sponge and mill scrap, under investigation by the Federal Bureau of
According to Katz and Rabinowitch, workers do not agree as to the solubility of uranium tetrafluoride. However, the conditions under which solubility data were obtained
This series of investigations was exploratory in nature, as all variables that might influence alloy-element transfer were not examined. The test show, that, under the
Preliminary work on electrolytes of neutral sulfate, neutral chloride, ammoniacal sulfate, and ammoniacal chloride solutions offered little promise for separating cobalt from nickel by the
Numerous patents and references may be found that relate to studies of phosphate-rock defluorination processes. Most of these require sulfuric acid and heat, phosphoric acid
Grinding the ore to minus 100-mesh gave satisfactory liberation of the minerals. Standard flotation procedure with potassium ethyl xanthate, cresylic acid, and lime produced good-grade copper