指标名称 | 规格 | |||
分析纯AR | 化学纯CP | 电子用 | 指定级 | |
含量 | ≥99.0% | ≥98.5% | ≥98.5% | 特殊规格可定制 |
水分 | - | - | ≤1% | |
盐酸不容物 | ≤0.005% | ≤0.005% | - | |
硫酸不溶物 | ≤0.004% | |||
氯化物 | ≤0.002% | ≤0.002% | - | |
硫酸盐 | ≤0.05% | ≤0.10% | ≤0.1% | |
钾 | - | - | ≤0.01% | |
铵 | ≤0.05% | ≤0.5% | - | |
铜 | - | - | ≤0.01% | |
锌 | - | - | ≤0.01% | |
碱和碱土金属 | ≤0.10% | ≤0.15% | - | |
镁 | - | - | ≤0.01% | |
钙 | - | - | ≤0.01% | |
钠 | - | - | ≤0.01% | |
镍 | - | - | ≤0.01% | |
铬 | - | - | ≤0.009% | |
氧化铁 | ≤0.10% | ≤0.4% | - | |
D10 | - | - | 0.6μm | |
D50 | - | - | 5.00μm-20.00μm | |
D90 | - | - | <70μm | |
D100 | - | - | <100μm | |
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