| No | Contain | Result |
| 1 | Appearance | Homogeneous powder of light- brown color |
| 2 | Mass fraction of main substances,%Not less | 66 |
| 3 | Mass fraction of dry substances %Not less | 92 |
| 4 | Ash content relating to mass of dry Substances % not more |
21 |
| 5 | Mass fraction of reducing substances relation To mass of dry substances % not more |
7.5 |
| 6 | Hydrogen ions concentration of LST solution pH not less |
5 |
