指标名称 | 规格 | ||
工作基准PT | 分析纯AR | 化学纯CP | |
含量 | ≥99.90-100.0% | ≥99.8% | ≥99.5% |
澄清度试验 | 2号 | 合格 | 合格 |
水不溶物 | ≤0.002% | ≤0.01% | |
氯化物及氯酸盐 | ≤0.03% | ≤0.03% | ≤0.1% |
溴化物 | ≤0.005% | ≤0.005% | ≤0.04% |
硫酸盐 | ≤0.005% | ≤0.005% | ≤0.01% |
总氮量 | ≤0.001% | ≤0.001% | ≤0.002% |
钠 | ≤0.01% | 0.05% | |
铁 | ≤0.0005% | ≤0.0005% | ≤0.001% |
重金属 | ≤0.0005% | ≤0.0005% | ≤0.001% |
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