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Impurities content (weight %) | |
---|---|
Insoluble in water substances | <0.01 |
Total nitrogen (N) | <0.001 |
Chlorates (ClO3-) | <0.005 |
Iron (Fe2+) | <0.0005 |
Sodium + Potassium (Na+ + K+) | <0.1 |
Calcium + Strontium (Ca2+ + Sr2+) | <0.2 |
Heavy metals (Pb2+) | <0.001 |