| TESTING ITEMS | SPECIFICATION | RESULTS |
| Description | Colorless to pale yellow transparent liquid | Conforms |
| Identification | Meet the requirement | Conforms |
| Solid content | ≥50.0% | 50.55% |
| Total phosphor(As PO4)) | ≤0.5% | 0.21% |
| Density (20℃) | 1.20~1.30 | 1.222 |
| PH | 3.0~5.0 | 3.75 |
| Conclusion: The Product Conforms to Enterprise Standard. |
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