| 1 | The concentrated sodium hydroxide is filtered through a pressure filter. | |
| 2 | This paper has investigated the analysis of different valence states of cerium in ceric hydroxide by titration. | |
| 3 | Glass is generally insoluble in acid, but soluble in alkali, such as cesium hydroxide. | |
| 4 | In this study, zirconium hydroxide samples with huge specific surface areas were prepared with sol-gel method. | |
| 5 | Technological flowsheet for producing cobalt oxide from crude cobalt hydroxide is discussed. |