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Impurities content (weight %) | |
---|---|
Insoluble in water substances | <0.005 |
Iron (Fe2+) | <0.001 |
Calcium (Ca2+) | <0.02 |
Sodium + Potassium (Na+ + K+) | <0.015 |
Copper (Cu2+) | <0.0005 |
Lead (Pb2+) | <0.0005 |
Sulfates (SO42-) | <0.005 |
Chlorides (Cl-) | <0.002 |
Zinc (Zn2+) | <0.005 |