Ключевые слова:
Potable water, Water treatment, Filters, Particulate materials, Physical properties of materials, Physical property measurement, Chemical properties, Chemical analysis and testing, Particle size distribution, Density measurement, Permeability measurement, Viscosity, Determination of content, Ash determination, Toxic materials, Extraction methods of analysis, Silicon dioxide, Water content determination, Volatile matter determination, Zinc, Iodine number, Friability