Zinc oxide of pure GOST *******3 brand.
Zinc oxide minor product. It is further processed into
low-grade zinc oxide or further chemically
transformed.
| No. | Parameter name | Requirements of GOST *******3 |
| 1 | Mass content of zinc oxide, (ZnO), %, at least | *9,0 |
| 2 | Mass content hydrochloric acid insoluble substances, %, at most | 0,*1 |
| 3 | Mass content of nitrates (NO3), %, at most | 0,**1 |
| 4 | Mass content of sulphates (SO4), %, at most | 0,*1 |
| 5 | Mass content of chlorides (Cl), %, at most | 0,**4 |
| 6 | Mass content of iron (Fe), %, at most | 0,**1 |
| 7 | Mass content of potassium (K), %, at most | 0,**5 |
| 8 | Mass content of calcium (Ca), %, at most | 0,*1 |
| 9 | Mass content of manganese (Mn), %, at most | 0,***5 |
| *0 | Mass content of arsenic (As), %, at most | 0,***2 |
| *1 | Mass content of copper (Cu), %, at most | 0,**1 |
| *2 | Mass content of lead (Pb), %, at most | 0,*1 |
| *3 | Mass content of KMnO4 (O) reducing substances, %, at most | 0,*1 |
