| http://www.w3.org/ns/prov#value | - On the other hand, hydroxycarboxylic acids having at least 3 carboxyl groups such as citric acid do not achieve a satisfactorily metal deposition preventive effect, and hydroxycarboxylic acids having at least 5 hydroxyl groups such as gluconic acid, galactonic acid and the like are not preferable since they are generally poor in chemical stability and do not achieve a stable metal deposition preve
|