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Impurities content (weight %) | |
---|---|
Insoluble in water substances | <0.003 |
Nitrites (NO2-) | <0.00005 |
Sulfates (SO42-) | <0.002 |
Chlorates and perchlorates (ClO3- + ClO4-) | <0.001 |
Chlorides (Cl-) | <0.0005 |
Phosphates (PO43-) | <0.0002 |
Ammonium salts (NH4+) | <0.001 |
Iron (Fe2+) | <0.0001 |
Potassium (K+) | <0.002 |
Calcium (Ca2+) | <0.002 |
Magnesium (Mg2+) | <0.001 |
Arsenic (As3+) | <0.00004 |
Heavy metals (Pb2+) | <0.0002 |
pH of 5% water solution | 5,0 - 7,5 |