Anodizing of aluminium & its alloys. Determination of mass per unit area (surface density) of anodic oxidation coatings. Gravimetric method Aluminium, Aluminium alloys, Anodizing, Anodic coating, Coatings, Electrodeposition, Thickness measurement, Mass, Density measurement, Surfaces, Gravimetric analysis, Test specimens, Specimen preparation, Interferences (chemical)