Information
                    
                    Specification category:
                  
                    
                        
                            
                                
                                     | Product No.  |  Product name  |  specifications | 
                                
                                         | 
1.01774.010  |  Chromium potassium sulfate dodecahydrate  |  AR500g | 
  | 
1.01774.020  |  Chromium potassium sulfate dodecahydrate  |  CP500g | 
  | 
1.01774.030  |  Chromium potassium sulfate dodecahydrate  |  AR25kg | 
  | 
1.01774.040  |  Chromium potassium sulfate dodecahydrate  |  CP25kg | 
  | 
1.01774.040  |  Chromium potassium sulfate dodecahydrate  |  CP25kg | 
                              
                            
                        
                     
                    
                    Characteristic:
                    Appearance and properties: Deep violet,odorless solid.
pH value: 3(50g/L H2O,20℃)
Relative density: 1.83(water=1)(20℃)
Melting point(℃): 89
Concentration: Pure
Solubility: Soluble in water (4eq. cold water or 2eq. hot water) and dilute acid,insoluble in alcohol.
                    
Technical  indicators:
                 
                    
                        
                            
                                
                                     | Item |  AR |  CP | 
                                
                                         | 
Assay[KCr(SO4)·12H2O] |  ≥99.5% |  ≥99.0% | 
  | 
Insoluble matter in water |  ≤0.005% |  ≤0.01% | 
  | 
Chloride(Cl) |  ≤0.002% |  ≤0.005% | 
  | 
Ammonium salt(NH4) |  ≤0.01% |  ≤0.03% | 
  | 
Aluminum(Al) |  ≤0.02% |  ≤0.05% | 
  | 
Iron(Fe) |  ≤0.005% |  ≤0.02% | 
  | 
Heavy metals(as Pb) |  ≤0.002% |  ≤0.01% |