|
| Determination of Silver in Roasting Cyanidation Slag by Flame Atomic Absorption Spectrometry |
| Received:February 17, 2016 Revised:April 18, 2016 |
| View Full Text View/Add Comment Download reader |
| DOI：doi:10.3969/j.issn.2095-1035.2016.03.019 |
| KeyWord:cyanide tailings ;FAAS; acid dissolution; silver |
| Author | Institution |
| LU Xiaolong |
厦门紫金矿冶技术有限公司，福建 厦门 |
|
| Hits: 1048 |
| Download times: 0 |
| Abstract: |
| An analytical method was proposed to determine silver in roasting cyanidation slag by flame atomic absorption spectrometry. The samples were first treated by hydrochloric acid, nitric acid, hydrofluoric acid, perchloric acid, and then in hydrochloric acid medium, the silver content were accurately determined. Hydrofluoric acid was used to destroy silicate structures, which allows the dissolution of silicate in the sample and a variety of acids were also used to assist dissolving other components of sample. Using above sample pretreatment method, the problem of the determination values seriously lower than actual values, which caused by the coexistent of silver element in the roasting cyanide tailings, was solved. The study showed that using the proposed method, the detection limit was 0.003 0 mg/L and the recoveries were in the range of 98.90%~101.1%. This method can satisfy the requirement for determination of silver in roasting cyanidation slag. |
| Close |
|
|
|