指标名称 | 规格 | |||
分析纯AR | 化学纯CP | 电子级 | 特殊规格可定制 | |
含量 | ≥98.0% | ≥97.0% | ≥99.5% | |
灼烧残渣 | ≤0.01% | ≤0.05% | -- | |
氯化物 | ≤0.001% | ≤0.005% | -- | |
硫酸盐 | ≤0.005% | ≤0.01% | ≤0.05% | |
氟硅酸盐 | ≤0.2% | ≤0.5% | -- | |
铁 | ≤0.001% | ≤0.005% | ＜3ppm | |
重金属 | ≤0.002% | ≤0.005% | ||
氟硅酸铵 | -- | -- | ≤0.005% | |
铝 | -- | -- | ＜3ppm | |
砷 | -- | -- | ＜3ppm | |
铬 | -- | -- | ＜3ppm | |
铜 | -- | -- | ＜3ppm | |
镁 | -- | -- | ＜3ppm | |
铅 | -- | -- | ＜3ppm | |
锌 | -- | -- | ＜3ppm | |
锡 | -- | -- | ＜3ppm | |
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