| Item | Specifications | Results |
| Description | White crystalline powder | Meets the requirements |
| Heavy metals | ≤0.002% | 0.0015% |
| Lead | ≤0.001% | 0.001% |
| Arsenic | ≤3ppm | 2ppm |
| Chloride | ≤0.07% | 0.04% |
| Sulphate | ≤0.05% | 0.04% |
| Reducing substances | ≤0.5% | 0.3% |
| PH | 6.5-8.5 | 7.1 |
| Loss on drying | ≤1.0% | 0.4% |
| Assay | ≥98.0% | 99.3% |
| Conclusion | Complies with requirements of Industry grade ED. | |
| Item | Specifications | Results |
| Description | White crystalline powder | Meets the requirements |
| Heavy metals | ≤0.002% | 0.0015% |
| Lead | ≤0.001% | 0.001% |
| Arsenic | ≤3ppm | 2ppm |
| Chloride | ≤0.07% | 0.04% |
| Sulphate | ≤0.05% | 0.04% |
| Reducing substances | ≤0.5% | 0.3% |
| PH | 6.5-8.5 | 7.1 |
| Loss on drying | ≤1.0% | 0.4% |
| Iron | ≤40 ppm | 40 ppm |
| Assay | ≥98.5% | 99.3% |
| Conclusion | Complies with requirements of FCC(IV). | |
(1) Chelate for cement: fixed amount of sodium gluconate in cement, then make the concrete strong and random. It can be delay the first time and the last time for solidity.
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