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CERTIFICATE OF ANALYSIS
| Analytical item | RESULT |
| Magnesium chloride （MgCl2） % | ≥46.5% |
| Sulphate % | ≤0.6% |
| Alkali metal chloride % | ≤0.8% |
| Insoluble % | ≤0.1% |
46% magnesium chloride
