| 摘要 |
<p>Thetreatment and control of algae and other microorganisms in water, particularly swimming-pool water, are carried out using a copper chelate composition. Preferred cheating agents, include organic hydroxy acids or alkyl carboxylic acids containing 1 to 22 carbon atoms e.g. EDTA sodium citrate, citric acid or sodium acetate. <IMAGE></p> |
