Descriptors | Aluminium, Production metallurgy, Metal refining, Carbonaceous matter determination, Aliphatic compounds, Aromatic compounds, Sampling methods, Electrodes, Electrorefining, Pitch (petroleum product), Petroleum products, Coal tar, Combustion test methods, Gravimetric analysis, Chemical analysis and testing, Quantitative analysis, Ash determination, Carbon, Hydrogen, Ratios, Determination of content, Test equipment |