ANALYTICAL METHOD FOR THE DETERMINATION OF SILICON, IRON, ALUMINUM, CALCIUM, AND MAGNESIUM IN BERYL ORE
Technical Report
·
OSTI ID:4797171
A weighed ore sample is fused with alkali carbonates. After dissolution of the cooled melt in water and sulfuric acid, the following process is carried out. For Si, the solution of the ore is evaporated to fumes of sulfuric acid. Silica is filtered out and determined by the HF acid volatilization procedure. For Fe, the cupferrate is separated from the filtrate of the preceding filtration, and determined volumetrically by titration with potassium dichromate solution. For Al, the Al is separated with Be as the hydroxide. The Al is then separated as the oxinate, and is determined gravimetrically. For Ca, the Ca is separated as the oxalate and determined in sulfuric acid solution by titration with potassium permanganate solution. The Mg is separated as magnesium ammonium phosphate and ignited to magnesium pyrophosphate, in which form it is weighed. Each of the above operations is carried out successively on a single sample. The method has been used on ores containing 10 to 13% beryllium oxide. (T.F.H.)
- Research Organization:
- United Kindgom Atomic Energy Authority. Production Group, Springfields, Lancs, England
- NSA Number:
- NSA-16-012954
- OSTI ID:
- 4797171
- Report Number(s):
- PG-Report-267
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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Related Subjects
ALKALI METALS
ALUMINUM
ALUMINUM COMPLEXES
ALUMINUM HYDROXIDES
AMINES
AMMONIUM COMPOUNDS
BERYL
BERYLLIUM SILICATES
CALCIUM
CALCIUM COMPOUNDS
CARBONATES
CHEMISTRY
CHROMATES
COMBUSTION
CUPFERRON
EVAPORATION
FILTERS
FUSED SALTS
HETEROCYCLICS
HYDROFLUORIC ACID
HYDROXIDES
IRON
IRON COMPLEXES
MAGNESIUM
MAGNESIUM PHOSPHATES
MANGANESE OXIDES
ORES
ORGANIC NITROGEN COMPOUNDS
OXALATES
PERMANGANATES
POTASSIUM COMPOUNDS
POTASSIUM OXIDES
QUALITATIVE ANALYSIS
QUANTITATIVE ANALYSIS
QUINOLINE
SEPARATION PROCESSES
SILICON
SILICON OXIDES
SOLUTIONS
SULFURIC ACID
TITRATION
VOLATILITY
WATER
ALUMINUM
ALUMINUM COMPLEXES
ALUMINUM HYDROXIDES
AMINES
AMMONIUM COMPOUNDS
BERYL
BERYLLIUM SILICATES
CALCIUM
CALCIUM COMPOUNDS
CARBONATES
CHEMISTRY
CHROMATES
COMBUSTION
CUPFERRON
EVAPORATION
FILTERS
FUSED SALTS
HETEROCYCLICS
HYDROFLUORIC ACID
HYDROXIDES
IRON
IRON COMPLEXES
MAGNESIUM
MAGNESIUM PHOSPHATES
MANGANESE OXIDES
ORES
ORGANIC NITROGEN COMPOUNDS
OXALATES
PERMANGANATES
POTASSIUM COMPOUNDS
POTASSIUM OXIDES
QUALITATIVE ANALYSIS
QUANTITATIVE ANALYSIS
QUINOLINE
SEPARATION PROCESSES
SILICON
SILICON OXIDES
SOLUTIONS
SULFURIC ACID
TITRATION
VOLATILITY
WATER