Determination of Au(III) and Ag(I) in Carbonaceous Shales and Pyrites by Stripping Voltammetry
Abstract
:1. Introduction
2. Materials and Methods
2.1. Apparatus and Electrolysis Procedure
2.2. Reagents and Solutions
2.3. Sample Preparation
2.3.1. Preparation of Samples for the Determination of Ag(I) Ions
2.3.2. Preparation of Samples for Determination of Au(III) Ions
3. Results and Discussion
3.1. Objects of Analysis
3.2. Determination of Silver(I) ions by Stripping Voltammetry
3.3. Determination of Gold(III) Ions by Stripping Voltammetry
4. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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SS | Certified Value, g t−1 | Ag Content, g t−1 | Relative Error (%) | ||
---|---|---|---|---|---|
AES | ICP–MS | SV | |||
Copper sludge | 6.38 | 5.8 | 5.5 | 5.6 ± 0.2 | 11.6 |
Nickel sludge | 0.19 | 0.2 | 0.19 | 0.2 ± 0.02 | 9.9 |
No. of Experiment | Ag Content, g t−1 | C, g t−1 | ||
---|---|---|---|---|
1 | 13.8 | 11.7 | 11.0 | 12.2 ± 1.6 |
2 | 9.5 | 17.9 | 9.09 | 12.2 ± 3.8 |
3 | 6.1 | 16.3 | 13.7 | 12.0 ± 3.2 |
SS | Certified value, g t−1 | Content of Au, g t−1 | Relative Error (%) | ||
---|---|---|---|---|---|
AES | ICP–MS | SV (n = 5) | |||
Copper sludge | 0.21 | 0.25 | 0.26 | 0.25 ± 0.02 | 19.05 |
Nickel sludge | 0.059 | 0.060 | 0.058 | 0.060 ± 0.02 | 1.69 |
No. | Value of Gold Contents, g t−1 | Average Content of Au, g t−1 | ||
---|---|---|---|---|
1 | 1.6 | 2.2 | 2.9 | 2.2 ± 0.6 |
2 | 1.8 | 1.9 | 2.6 | 2.6 ± 0.7 |
3 | 2.0 | 1.8 | 2.7 | 2.2 ± 0.3 |
No. | Value of Gold Contents, g t−1 | Average Content of Au, g t−1 | ||
---|---|---|---|---|
1 | 1.4 | 0.8 | 0.9 | 1.0 ± 0.2 |
2 | 1.2 | 0.7 | 0.8 | 0.9 ± 0.2 |
3 | 1.0 | 0.9 | 0.8 | 0.9 ± 0.1 |
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Kolpakova, N.A.; Sabitova, Z.K.; Sachkov, V.I.; Medvedev, R.O.; Nefedov, R.A.; Orlov, V.V. Determination of Au(III) and Ag(I) in Carbonaceous Shales and Pyrites by Stripping Voltammetry. Minerals 2019, 9, 78. https://doi.org/10.3390/min9020078
Kolpakova NA, Sabitova ZK, Sachkov VI, Medvedev RO, Nefedov RA, Orlov VV. Determination of Au(III) and Ag(I) in Carbonaceous Shales and Pyrites by Stripping Voltammetry. Minerals. 2019; 9(2):78. https://doi.org/10.3390/min9020078
Chicago/Turabian StyleKolpakova, Nina A., Zhamilya K. Sabitova, Victor I. Sachkov, Rodion O. Medvedev, Roman A. Nefedov, and Vladislav V. Orlov. 2019. "Determination of Au(III) and Ag(I) in Carbonaceous Shales and Pyrites by Stripping Voltammetry" Minerals 9, no. 2: 78. https://doi.org/10.3390/min9020078