项目Item 分析纯 (AR)含量(Co)Assay,% 13.5~14.5对钾灵敏度试验Sensitivity to potassium 合格硫酸盐(SO4)Sulfate,% ≤ 0.02 水不溶物Insoluble matter in water,% ≤ 0.05 99.995% metals basis: 外观Appearance Yellow to Orange Crystal to PowderX-射线衍射分析X-Ray Diffraction Conforms to Structure纯度Purity ≥99.995% ICP Major Analysis Confirms Na and Co ComponentsComplexiometric EDTA (% Co) 12.8 %总痕量金属杂质total metallic impurities ≤50ppm by ICP Atomic emission