项目Item 分析纯 化学纯
（AR） （CP）
灼烧失重Ignition loss,% ≤ 1.0 1.0
硝酸不溶物Insolubhe in nitric acid,% ≤ 0.005 0.01
氯化物(Cl)Chloride,% ≤ 0.005 0.01
硫酸盐(SO4)Sulfate,% ≤ 0.01 0.05
总氮量(N)Total nitrogen,% ≤ 0.003 0.05
铁(Fe)Iron,% ≤ 0.002 0.005
砷(As)Arsenic,% ≤ 0.001 0.005
铜(Cu)Copper,% 合格 合格
碱金属及碱土金属（以硫酸盐计）Alkali and
alkali erath metals,% ≤ 0.05 0.1
99.9%
外观Appearance yellow powder
X射线衍射X-Ray Diffraction Conforms to Structure
EDTA滴定Complexiometric EDTA (% Bi) ≥88.3 %
ICP分析ICP: Confirms Bismuth Component Confirmed
痕量金属Trace Metal Analysis ≤2000.0 ppm
纯度Purity Based On Trace Metals Analysis ≥99.9 %
99.99% metals basis，4~6μm:
Bi2O3 ≥99.99%
Ni ≤0.0001%
Fe ≤0.0003%
Ag ≤0.00005%
Cu ≤0.0002%
Mg ≤0.0005%
Pb ≤0.0002%
Sb ≤0.0001%
Zn ≤0.0005%
Cr ≤0.0001%
Cd ≤0.0001%
物相 α-Bi2O3
外观Appearance 球形淡黄色
中粒径 4~6μm
99.999% metals basis:
外观Appearance Yellow to Yellow-Green Powder
X-射线衍射分析X-Ray Diffraction Conforms to standard
纯度Purity ≥99.999% Based on Trace Metals Impurities of ICP
ICP: Confirms Bismuth Component Confirmed
Bi ≥87.9 % (Complexiometric EDTA)
痕量金属分析total metallic impurities ≤20ppm by ICP Atomic emission
(Na、Cs、Ca、Ag、Ba、Al、Nb、Tl、Cr、Pb、Fe)
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