4N（SP）、

99%：


纯度Purity                       ≥99.0% (T)
氯离子chloride (Cl-):            ≤100 ppm
  Ca:                            ≤100 ppm
  Cd:                            ≤50 ppm
  Co:                            ≤50 ppm
  Cu:                            ≤50 ppm
  Fe:                            ≤50 ppm
  K:                             ≤5000 ppm
  Na:                            ≤100 ppm
  Ni:                            ≤50 ppm
  Pb:                            ≤50 ppm
  Zn:                            ≤50 ppm



99.9% metals basis:


外观Appearance                          White powder or crystals
X-射线衍射X-Ray Diffraction             Conforms to Structure
纯度Purity                              ≥99.9% Based on Trace Metals Impurities
ICP Major Analysis                       Confirms sulfur and rubidium components
总痕量金属杂质total metallic impurities ≤1000ppm by ICP Atomic emission


99.99% metals basis:


外观Appearance                          White powder or crystals
X-射线衍射X-Ray Diffraction             Conforms to Structure
纯度Purity                              ≥99.99% Based on Trace Metals Impurities
ICP Major Analysis                       Confirms sulfur and rubidium components
总痕量金属杂质total metallic impurities ≤200ppm by ICP Atomic emission