检验项目 | 检验标准 | 检验结果 |
性状 | 黄色至橙黄色结晶性粉末 | 合格 |
含量 | ≥99.5% | 99.8% |
水不溶物 | ≤0.005% | 0.004% |
灼烧残渣 | ≤0.02% | 0.01% |
硫酸盐 | ≤0.005% | 0.004% |
磷酸盐 | ≤0.0005% | 0.0004% |
钠 | ≤0.005% | |
镁 | ≤0.001% | 0.0008% |
钾 | ≤0.005% | 0.004% |
钙 | ≤0.001% | 0.0008% |
铁 | ≤0.0005% | 0.0004% |
检验项目 | 检验标准 | 检验结果 |
性状 | 黄色至橙黄色结晶性粉末 | 合格 |
含量 | ≥99.5% | 99.8% |
水不溶物 | ≤0.005% | 0.004% |
灼烧残渣 | ≤0.02% | 0.01% |
硫酸盐 | ≤0.005% | 0.004% |
磷酸盐 | ≤0.0005% | 0.0004% |
钠 | ≤0.005% | |
镁 | ≤0.001% | 0.0008% |
钾 | ≤0.005% | 0.004% |
钙 | ≤0.001% | 0.0008% |
铁 | ≤0.0005% | 0.0004% |