| Specification | Index |
| Appearance | White crystalline powder |
| NH4HCO3 | 99.2-101.0% |
| CHLORIDE(AS CL) | ≤0.003% |
| COMPOUND OF SULFUR(AS SO4) | ≤ 0.007% |
| NON-VOLATILES SUBSTANCES | ≤0.05% |
| ARSENIC(AS As) | ≤0.0002% |
| HEAVY METAL(AS Pb) | ≤0.0005% |
| LEAD | ≤0.0002% |
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