| 摘要 |
The invention provides a chemical composition for the treatment of water to enhance the purity thereof. The chemical composition comprises a mixture including 35-60% by mass of a persulphate selected from the group consisting of the alkali metal persulphates, ammonium persulphate and mixtures thereof; 15-30% by mass of a bisulphate selected from the group consisting of the alkali metal bisulphates, ammonium bisulphate and mixtures thereof; and 5-20% by mass of a metal chloride selected from the group consisting of the alkaline earth metal chlorides and mixtures thereof. The mixture also includes 2-5% by mass of aluminium sulphate and 1-3% by mass of copper sulphate. |
