| 质量标准： |
Q/（HG）SJ 778-1998
项目Item 分析纯 化学纯
(AR) (CP)
含量［Fe(NO3)3·9H2O)Assay,% ≥98.5 98.0
不溶物Insoluble matter in water,% ≤0.005 0.01
氯化物(Cl)Chloride,% ≤0.0005 0.002
硫酸盐(SO4)Sulfate,% ≤0.005 0.01
铜(Cu)Copper,% ≤0.001 0.003
锌(Zn)Zinc,% ≤0.001 0.003
氨水不沉淀物(以硫酸盐计）Substances not
precipitated by ammonia,% ≤0.05 0.1
ACS级
项目名称Item ACS Grade
含量[Fe(NO3)3·9H2O]Assay 98.0-101.0%
水不溶物Insoluble matter in water ≤0.005%
氯化物(Cl)Chloride(Cl) ≤5ppm
硫酸盐(SO4)Sulfate ≤0.01%
钙(Ca)Calcium(Ca) ≤0.01%
镁(Mg)Magnesium(Mg) ≤0.005%
钾(K)Potassium(K) ≤0.005%
钠(Na)Sodium(Na) ≤0.05%
99.99% metals basis：
外观Appearance 薰衣草或浅紫色粉末
纯度Purity ≥99.99% Based On Trace Metals Analysis
铁Fe 13.4 - 14.2 % Titration by Na2S2O3
ICP Assay Confirms Iron 禁发网址ponent
痕量金属分析Trace Metal Analysis ≤200ppm by ICP Atomic emission
(Al、Sb、As、Ba、B、Ca、Cr、Cu、Ga、Pb、Li、Mg、Mn、Ni、K、Na、Sn、V、Zn)
99.999% metals basis：
外观Appearance 薰衣草或浅紫色粉末
X-射线衍射分析X-Ray Diffraction Conforms to Structure
纯度Purity ≥99.999% Based On Trace Metals Analysis
铁Fe 13.5 - 14.2 %( Titration by Na2S2O3)
ICP Assay Confirms Iron 禁发网址ponent
痕量金属分析Trace Metal Analysis ≤10ppm by ICP Atomic emission
(Al、Sb、As、Ba、B、Ca、Cr、Cu、Ga、Pb、Li、Mg、Mn、Ni、K、Na、Sn、V、Zn)
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