指标名称 | 规格 | ||
优级纯GR | 分析纯AR | 化学纯CP | |
含量 | ≥96.0% | ≥96% | ≥95% |
澄清度实验 | 合格 | 合格 | 合格 |
灼烧残渣 | ≤0.005% | ≤0.02% | ≤0.05% |
游离酸 | ≤0.2% | ≤0.5% | ≤1.0% |
游离碱 | 合格 | 合格 | 合格 |
氯化物 | ≤0.0005% | ≤0.005% | ≤0.01% |
硫酸盐 | ≤0.005% | ≤0.01% | ≤0.02% |
氟硅酸盐 | ≤0.08% | ≤0.3% | ≤0.60% |
铁 | ≤0.0005% | ≤0.002% | ≤0.004% |
重金属 | ≤0.0005% | ≤0.001% | ≤0.002% |
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