CP,用于合成：


外观Appearance                          green to dark green powder,crystals
X-射线衍射分析X-Ray Diffraction         Conforms to standard
ICP Assay                               Confirms chromium component
Cr                                      18%-26%  (titration with sodium thiosulfate)                            typically 19%-21%
SO4                                     50%-73%(gravimetric with barium chloride)
                                        typically 55%-58%
PH                                      1.0-2.5 (5%, H2O)


技术指标                                   电镀级
Cr2(SO4)3·6H2O,%                          ≥98.0
水不溶物Insoluble matter in water,%        ≤0.02
氯化物(Cl)Chloride,%                       ≤0.01
铝(Al)Aluminum,%                           ≤0.05
铁(Fe)Iron,%                               ≤0.01
钙(Ca)Calcium,%                            ≤0.01
钠(Na)Sodium,%                             ≤0.05
钾(K)Potassium,%                           ≤0.05



99.99% metals basis:


外观Appearance                          green to black powder, crystals
X-射线衍射分析X-Ray Diffraction         Conforms to standard
纯度Purity                              ≥99.99% Based on Trace Metals Impurities
ICP Assay                               Confirms chromium and sulfur component
Cr                                      15% - 25% (titration with sodium thiosulfate)
痕量金属分析total metallic impurities   ≤200ppm by ICP Atomic emission