CAS No.: | 7647-14-5 |
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Formula: | Nacl |
EINECS: | 231-598-3 |
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Test items | Technical Specifications | Test results | ||||||
Superior | First Grade | Second Grade | Superior | |||||
Appearance | White\regular or irregular particles\no peculiar smell\no obvious impurity |
Qualified | ||||||
Moisture Content % | ≤ | 0.3 | 0.5 | 0.6 | 0.03 | |||
Water-insoluble Matter % | ≤ | 0.03 | 0.05 | 0.06 | <0.01 | |||
SO42- % | ≤ | 0.1 | 0.4 | 0.4 | 0.07 | |||
Based on dry NaCl % | ≥ | 99.8 | 99.3 | 99.1 | 99.9 | |||
Trace elements |
Ca2++ Mg2+) mg/kg |
≤ | 20.0 | 200.0 | - | <10.0 | ||
Pb mg/kg | ≤ | 1.0 | 1.0 | 2.0 | <0.1 | |||
As mg/kg | ≤ | 0.3 | 0.5 | 0.5 | <0.1 | |||
Cd mg/kg | ≤ | 0.5 | 0.5 | 0.5 | <0.1 | |||
Hg mg/kg | ≤ | 0.1 | 0.1 | 0.1 | <0.1 | |||
Ba mg/kg | ≤ | 15 | 15 | 15 | <15 | |||
Cr mg/kg | ≤ | 0.5 | <0.1 | |||||
Ni mg/kg | ≤ | 0.5 | - | - | <0.1 | |||
Sb mg/kg | ≤ | 2.0 | - | - | <0.1 | |||
Se mg/kg | ≤ | 2.0 | - | - | <0.1 | |||
Mn mg/kg | ≤ | 0.5 | <0.1 | |||||
Cu mg/kg | ≤ | 2.0 | - | - | <0.1 | |||
Br mg/kg | ≤ | 150 | - | - | 60 |