| Test Items 测试项目 | Specification 规格 | Results 检测结果 |
| Appearance 外观 | White powder or granule白色粉状物或颗粒 | PASS |
| Content 含量 | ≥42.8% | 44.32 |
| Available Oxygen 活性氧, % | ≥4.50 | 4.66 |
| Loss on drying 干燥失重,g/L | ≤0.1 | 0.025 |
| Bulk Density 堆积密度, g/L | ≥800 | 1000 |
| pH Test (10g/L,25°C) pH值 | 2.0-2.3 | 2.1 |
| Partical size粒径分布(0.850~0.075mm),% | ≥90.0 | 92 |
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