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Impurities content (weight %) | |
---|---|
Insoluble in water substances | <0.002 |
Nitrates (NO3-) | <0.002 |
Sulfates (SO42-) | <0.002 |
Chlorides (Cl-) | <0.0005 |
Iron (Fe2+) | <0.0003 |
Potassium + Calcium + Sodium (K+ + Ca2+ + Na+) | <0.015 |
Copper (Cu2+) | <0.0005 |
Arsenic (As3+) | <0.00004 |
Heavy metals (Pb2+) | <0.0005 |
pH of 5% water solution | 6,0 |