| 技术指标 |
| 名称 |
优级纯(%) |
分析纯(%) |
化学纯(% |
普通工业级(%) |
| 性状 |
白色粉末 |
| 含量 |
≥99.5 |
≥98.0 |
≥97.0 |
≥90.0 |
| 氟含量（以F计） |
61 |
60 |
58 |
53 |
| 氯化物(Cl) |
≤0.005 |
≤0.005 |
≤0.02 |
— |
| 硫酸盐(SO4) |
≤0.01 |
≤0.05 |
≤0.08 |
≤0.1 |
| 硅(Si) |
— |
≤0.01 |
≤0.03 |
≤0.5 |
| 铁(Fe) |
≤0.001 |
≤0.01 |
≤0.04 |
≤0.05 |
| 重金属(以Pb计) |
≤0.001 |
≤0.03 |
≤0.01 |
≤0.01 |
| 碳酸盐(CO3) |
合格 |
— |
— |
— |
| 钡(Ba) |
≤0.005 |
— |
— |
— |
| 水份 |
≤0.06 |
— |
— |
≤0.5 |
| 钙(Ca) |
≤0.05 |
— |
— |
≤0.1 |
| 灼烧失重 |
— |
≤11 |
≤11 |
— |
| 氮化合物(以N计) |
≤0.005 |
≤0.005 |
≤0.03 |
— |
| 钠(以Na计) |
— |
— |
— |
≤0.1 |
|
