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| Impurities content (weight %) | |
|---|---|
| Insoluble in water substances | <0.002 |
| Total Nitrogen (N) | <0.002 |
| Iodides и Iodine (l- + l2) | <0.001 |
| Sulfates (SO42-) | <0.005 |
| Chlorates + chlorides + bromides (ClO3- + Cl- + Br-) | <0.005 |
| Iron (Fe2+) | <0.0005 |
| Sodium (Na+) | <0.005 |
| Heavy metals (Pb2+) | <0.0005 |
| pH of 5% water solution | 5,0 - 8,0 |





