Information
                    
                    Specification category:
                  
                    
                        
                            
                                
                                     | Product No.  |  Product name  |  specifications | 
                                
                                         | 
1.01706.020  |  Potassium bromide  |  AR500g | 
  | 
1.01706.030  |  Potassium bromide  |  CP500g | 
  | 
1.01706.040  |  Potassium bromide  |  CP25kg/Drum | 
  | 
1.01706.080  |  Potassium bromide  |  AR25kg/Drum | 
  | 
1.01706.090  |  Potassium bromide  |  AR25kg/Sack | 
                              
                            
                        
                     
                    
                    Characteristic:
                    Appearance and properties: White crystal or powder,odourless,salty,slightly bitter and hygroscopic.
Relative density: 2.75(water=1)(25℃)
Melting point(℃): 730
Boiling point(℃): 1435
Concentration: Pure
Saturated vapour pressure(hPa): 1.3(795℃) 
Solubility: Soluble in water and glycerol, slightly soluble in ethanol and aether.
                    
Technical  indicators:
                 
                    
                        
                            
                                
                                     | Item |  AR |  CP | 
                                
                                         | 
Assay(KBr) |  ≥99.0% |  ≥98.0% | 
  | 
pH value(50g/L solution,25℃) |  5.5~8.5 |  5.5~8.5 | 
  | 
Clarity of solution |  Pass2 |  Pass4 | 
  | 
Insoluble matter in water |  ≤0.005% |  ≤0.01% | 
  | 
Chloride(Cl) |  ≤0.2% |  ≤0.5% | 
  | 
Bromate(BrO3) |  ≤0.001% |  ≤0.003% | 
  | 
Iodide(I) |  ≤0.005% |  ≤0.01% | 
  | 
Sulfate(SO4) |  ≤0.002% |  ≤0.005% | 
  | 
Total nitrogen(N) |  ≤0.001% |  ≤0.002% | 
  | 
Sodium(Na) |  ≤0.02% |  ≤0.05% | 
  | 
Magnesium(Mg) |  ≤0.0005% |  ≤0.002% | 
  | 
Calcium(Ca) |  ≤0.002% |  ≤0.005% | 
  | 
Iron(Fe) |  ≤0.0002% |  ≤0.0005% | 
  | 
Barium(Ba) |  ≤0.002% |  ≤0.005% | 
  | 
Heavy metals(as Pb) |  ≤0.0002% |  ≤0.0005% |