Standard methods of analysis for calcium and magnesium are involved and time consuming and generally require considerable analytical skill. Investigation of possible alternatives more suitable
The rate of evaporation of a volatile metal from a metallic solution containing less volatile metals is determined by its partial pressure and its diffusivity.
This investigation has demonstrated that finely divided titanium metal, titanium lower chlorides, or a mixture thereof can be produced at a temperature between 105° and
Hot carbonate purification will remove hydrogen sulfide from gas mixtures of low or high concentration of this component. The presence of some carbon dioxide in
Fines and concentrates must be consolidated or agglomerated into larger masses before they can be smelted in a commercial blast furnace. Such agglomeration is usually
Early studies in the carbonate leaching of uranium ores led to the investigation of pressure leaching as a method to enhance the dissolution of the
Two practical methods for controlling the physical properties of mill tailings for underground stope backfill may be used. The first is classification to remove objectionably
A bastnasite concentrate, containing about 60 percent rare earth oxides, was sulfated with concentrated sulfuric acid to eliminate the carbon dioxide, fluorine, and silica. Calcination
Sponge nickel can be produced by gaseous or solid-fuel reduction or a combination of both. Although pelletized nickel oxide was reduced in a laboratory rotary
The breaking of rock by explosives occurs so rapidly that the details of the phenomenon cannot be observed by the unaided eye. High- (frame-) speed