Ключевые слова:
Density|Chemical composition|Water treatment|Toxic materials|Melting point|Physical properties of materials|Impurities|Formulae (mathematics)|Chemical analysis and testing|Safety measures|Marking|Copper inorganic compounds|Potable water|Purity|Determination of content|Solubility|Storage|Control samples|Water|Test equipment|Water purification|Boiling point|Quality|Sulfates