性状 易溶于水和醇，在潮湿空气中易潮解。  

备注: 以上描述，仅作参考，并不表示您收到的产品，与此项描述完全相符，产品的出厂标准，请参见质量标准。

质量标准    

AR,99.5% metals basis:

外观Appearance                                 Green Crystals
X-射线衍射分析X-Ray Diffraction         Conforms to standard
纯度Purity                                        ≥99.5% Based on Trace Metals Impurities of ICP
ICP:                                                 Confirms Praseodymium Component Confirmed
镨Pr                                                31.9 - 32.9 %(Complexiometric EDTA)
痕量金属分析total metallic impurities    ≤5000ppm by ICP Atomic emission
(B、Ba、Cr、Cu、Fe、Pb、Sb、Sn、Ti、V、Zn、Ce、Er、Eu、Gd、La、Lu、Nd、Sm、Tb、Yb、Y)

99.9% metals basis:

外观Appearance                                 Green Crystals
X-射线衍射分析X-Ray Diffraction         Conforms to standard
纯度Purity                                        ≥99.9% Based on Trace Metals Impurities of ICP
ICP:                                                 Confirms Praseodymium Component Confirmed
镨Pr                                                31.9 - 32.9 %(Complexiometric EDTA)
痕量金属分析total metallic impurities    ≤2000ppm by ICP Atomic emission
(B、Ba、Cr、Cu、Fe、Pb、Sb、Sn、Ti、V、Zn、Ce、Er、Eu、Gd、La、Lu、Nd、Sm、Tb、Yb、Y)

99.99% metals basis:

外观Appearance                                 Green Crystals
X-射线衍射分析X-Ray Diffraction         Conforms to standard
纯度Purity                                       ≥99.99% Based On Rare Earth Analysis of ICP
ICP:                                                Confirms Praseodymium Component Confirmed
镨Pr                                               31.7 - 33.0 %(Complexiometric EDTA)
痕量金属分析total metallic impurities   ≤100ppm by ICP Atomic emission
(Na、Ni、Cs、Sc、Gd、Ca、Cu、Sr、Ag、Ba、Y、Tb、Ti、Zn、Zr、Hf、La、Dy、B、Ga、Ce、Si、Cr、Ge、Sn、Pb、Er、Mn、As、Nd、Tm、Se、Os、Sm、Yb、Eu)

贮存 易吸潮，密封保存

用途 用于三元催化剂，化学试剂等其它行业。

联合国编号 1477

Risk： R8- R36/37/38-

Safety : S17 - S26- S27- S36/37/39-

Hazard : O - Xi -