项目Item 分析纯 化学纯
(AR) (CP)
含量(TiO2)Assay,% ≥ 99.0 98.0
水可溶物Soluble matter in water,% ≤ 0.05 0.1
盐酸可溶物soluble matter,% ≤ 0.1 0.3
in hydrochloric acid,%
干燥失重Drying loss,% ≤ 0.5 3.5
灼热失重Ignition loss,% ≤ 0.5 1.0
硫酸不溶物Insoluble in sulfuric ≤ 0.2 --
accid,%
氯化物(Cl)Chloride,% ≤ 0.0005 --
硫酸盐(SO4)Sulfate,% ≤ 0.02 0.2
硝酸盐(NO3)Sulfate 合格 --
磷酸盐(PO4)Phosphate,% ≤ 0.005 --
铁(Fe)Iron,% ≤ 0.005 0.01
砷(As)Arsenic,% ≤ 0.005 0.0007
重金属(以Pb计)Heavy metals,% ≤ 0.002 0.005
项目 欧洲药典EP级
二氧化钛(干基) 98.0-100.5%
重金属(以Pb计) ≤20ppm
锑 ≤100ppm
砷 ≤5ppm
钡 ≤5ppm
Ph 6.5-7.5
水溶物 ≤0.5%
颜色(国际) 不低于:
L(色差仪) ≥98
消色力(雷诺指数) ≥1250
吸油量 ≤26g/100g
45μm筛余 ≤0.2%
平均粒径 0.2-0.4μm
99.99% metals basis:
外观Appearance 白色至类白色粉末
X-Ray Diffraction Conforms to Structure
纯度Purity ≥99.99% Based on Trace Metals Impurities of ICP
ICP: Confirms Titanium Component Confirmed
痕量金属分析Trace Metal Analysis ≤200ppm by ICP Atomic emission
99.995% metals basis:
外观Appearance 白色至类白色粉末
X-Ray Diffraction Conforms to Structure
纯度Purity ≥99.99% Based on Trace Metals Impurities of ICP
ICP: Confirms Titanium Component Confirmed
灼烧损失Loss on Ignition ≤1.0 %
痕量金属分析Trace Metal Analysis ≤60ppm by ICP Atomic emission
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