Descriptors | Boilers, Boiler tubes, Heat engineering components, Flues, Chimneys, Combustion chambers, Air heaters, Furnaces, Gas turbines, Sampling methods, Corrosion, Sampling equipment, Visual inspection (testing), Chemical analysis and testing, Solid-fuelled devices, Oil-fuelled devices, Specimen preparation, Economizers, Emission spectrophotometry, Colorimetry, Atomic absorption spectrophotometry, Carbon, Ferrous iron, Acidity, Oils, Solvent extraction methods, Iron, Volatile matter determination, Sulfides, Aluminium, Arsenic, Barium, Calcium, Chromium, Lead, Magnesium, Nickel, Silicon, Vanadium, Zinc, Ferric iron, Boron, Chlorides, Phosphates, Sodium, Potassium, Reagent solutions |