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Impurities content (weight %) | |
---|---|
Insoluble in water substances | <0.005 |
Acidity (HC2O4-) | <0.025 |
Alkalinity (HCO3-) | <0.025 |
Total Nitrogen (N) | <0.002 |
Sulfates (SO42-) | <0.01 |
Phosphates (PO43-) | <0.002 |
Chlorides (Cl-) | <0.001 |
Iron (Fe2+) | <0.0005 |
Sodium (Na+) | <0.02 |
Heavy metals (Pb2+) | <0.0005 |