99.9% metals basis:

外觀Appearance                             White to Off-White to Light Tan
X-射線衍射分析X-Ray Diffraction            Conforms to Structure
純度Purity                                 ≥99.9% Based on Trace Metals Impurities
鈰Ce(Complexiometric EDTA )                35.0 - 42.5 %
醋酸Acetic Acid(Titration by NAOH)         ≤1.5 %
ICP:                                       Confirms Cerium Component Confirmed
痕量稀土金屬分析Trace Rare Earth Analysis  ≤2000ppm by ICP Atomic emission
(B、Ca、Cr、Cu、La、Mg、Na、Nd、Ni、Pb、Sn、Y、Yb)

99.99% metals basis:

外觀Appearance                             White to Off-White to Light Tan
X-射線衍射分析X-Ray Diffraction            Conforms to Structure
純度Purity                                 ≥99.99% Based on Trace Metals Impurities
鈰Ce(Complexiometric EDTA )                35.0 - 42.5 %
醋酸Acetic Acid(Titration by NAOH)         ≤1.0 %
ICP:                                       Confirms Cerium Component Confirmed
痕量稀土金屬分析Trace Rare Earth Analysis  ≤200ppm by ICP Atomic emission
(Co、Cu、Dy、K、La、Na、Nd、Ni、Pr、Sc、Sn、Tb、Tm、V、Y、Yb)