详情介绍

| 项目 | 标准 |
| 含量 | 98.5%~101.0% |
| 酸度pH | 5.5~7.0 |
| 透光率 | ≥98.0% |
| 干燥失重 | ≤0.20% |
| 灼烧残渣 | ≤0.10% |
| 重金属[Pb] | ≤10ppm |
| 氯化物[Cl-] | ≤0.02% |
| 铁盐[Fe] | ≤10ppm |
| 砷盐[As] | ≤1ppm |
| 硫酸盐[SO42-] | ≤0.02% |
| 铵盐[NH4+] | ≤0.02% |