Table 3. Sample Source, CAS Registry Number, and Initial Purity.
| component | chemical formula | CAS number | supplier | mass fraction (%) |
|---|---|---|---|---|
| 3-amino-1,2,4-triazole-5-carboxylic acid | C3H4N4O2 | 304655-78-5 | Alfa aesar, Tianjin | 98 |
| manganese chloride | MnCl2 | 7773-01-5 | aladdin, Shanghai | ≥99 |
| zinc nitrate hexahydrate | Zn(NO3)2·6H2O | 10196-18-6 | aladdin, Shanghai | ≥98 |
| ethanol absolute | C2H5OH | 64-17-5 | aladdin, Shanghai | ≥99.7 |
| sodium hydroxide | NaOH | 1310-73-2 | Merck, India | 96 |
| hydrochloric acid | HCl | 7647-01-0 | Merck, India | 37 |