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Impurities content (weight %) | |
---|---|
Insoluble in water substances | <0.03 |
Acidity (CH3CH2COOH) | <0.3 |
Residue after calcination | <0.02 |
Sulfates (SO42-) | <0.02 |
Chlorides (Cl-) | <0.01 |
Heavy metals (Pb2+) | <0.001 |
Crystallization point | 79 ºC |