| Reagents | Purity | Manufacturer |
| Ammonium sulfate | Analytical purity (AR) | Xilong Chemical Co. |
| Magnesium sulfate | Analytical purity (AR) | Xilong Chemical Co. |
| Aluminum sulfate | Analytical purity (AR) | Tianjin Damao Chemical Reagent Factory |
| Ammonium chloride | Analytical purity (AR) | Xilong Chemical Co. |
| Magnesium chloride | Analytical purity (AR) | Sinopharm Group Chemical Reagent Co. |
| Aluminum Chloride | Analytical pure (AR) | Tianjin Damao Chemical Reagent Factory |
| Glacial acetic acid | Analytical pure (AR) | Xilong Chemical Co. |
| Ammonium acetate | Analytical pure (AR) | Xilong Chemical Co. |
| Arsenic azo-III | Analytical pure (AR) | West Asia Chemical Technology Co. |