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                                                              Potassium Sulfate Product name : Potassium Sulfate
                                                              Product Category:High-purity chemicals & electronic chemicals/Potassium salts;Other products/Potassium salts;
                                                              CAS No.: 7778-80-5
                                                              Formula:K2SO4
                                                              MW:174.25
                                                              Characters:Colorless crystal or white crystalline powder, it is heavy and hard, bitter and salty, slightly soluble in water and glycerol, insoluble in ethanol.
                                                              Specifications:
                                                              Potassium Sulfate
                                                              Reagent grade A.R.
                                                              Reagent grade C.P.
                                                              Lucosamine special-purpose grade
                                                              Lucosamine low sodium grade
                                                              Item
                                                              Spec.
                                                              Spec.
                                                              Spec.
                                                              Spec.
                                                              Assay(K2SO4)%
                                                              ≥99.0
                                                              ≥98.5
                                                              ≥99.0
                                                              ≥99.0
                                                              Water insoluble%
                                                              ≤0.005
                                                              ≤0.01
                                                              ≤0.005 
                                                              ≤0.005 
                                                              As%
                                                              ≤0.0001
                                                              ≤0.0005 
                                                              ≤0.0002           
                                                              ≤0.0001   
                                                              PH(50g/L,25℃)
                                                              5.0~8.0
                                                              5.0~8.0 
                                                              5.0~8.0 
                                                              5.0~8.0
                                                              Chlorides(Cl), %
                                                              ≤0.0005
                                                              ≤0.001    
                                                              ≤0.02    
                                                              ≤0.005  
                                                              Total nitrogen(N) %
                                                              ≤0.0005
                                                              ≤0.001
                                                              ≤0.0005 
                                                              ≤0.0005 
                                                              Ca%
                                                              ≤0.01
                                                              ≤0.02
                                                              ≤0.01
                                                              ≤0.01
                                                              Heav metal(as Pb) %
                                                              ≤0.0005
                                                              ≤0.001    
                                                              ≤0.0005  
                                                              ≤0.0005  
                                                              Fe%
                                                              ≤0.0002
                                                              ≤0.0005 
                                                              ≤0.0002   
                                                              ≤0.0002   
                                                              Na%
                                                              ≤0.03 
                                                              ≤0.1
                                                              ≤0.005
                                                              Fineness(40-80 meshes sieve)
                                                              Pass
                                                              Pass
                                                                       
                                                              Potassium Sulfate
                                                              War industry grade
                                                              Gunpowder grade
                                                              Feed grade
                                                              Technical grade
                                                              Item
                                                              Spec.
                                                              Spec.
                                                              Spec.
                                                              Spec.
                                                              Assay(K2SO4)%
                                                              ≥99.0
                                                              ≥99.0
                                                              ≥98.5
                                                              ≥98.5
                                                              Water insoluble%
                                                              ≤0.01
                                                              ≤0.02
                                                              As%
                                                              ≤0.0002
                                                              ≤0.001            
                                                              ≤0.001            
                                                              PH(50g/L,25℃)
                                                              6.0~8.0
                                                              6.0~8.0
                                                              Chlorides(Cl), %
                                                              ≤0.001
                                                              ≤0.002
                                                              Total nitrogen(N) %
                                                              Ca%
                                                              ≤0.02
                                                              ≤0.03 
                                                              Heav metal(as Pb) %
                                                              ≤0.001
                                                              ≤0.001 
                                                              ≤0.002 
                                                              ≤0.002 
                                                              Fe%
                                                              ≤0.0005
                                                              ≤0.001
                                                              Na%
                                                              ≤0.1
                                                              Mg%
                                                              ≤0.005
                                                              ≤0.01
                                                              Fineness(120 meshes sieve)
                                                              ≤5
                                                              40 meshes sieving rate≥95

                                                              Product Usage: Used as medicine (laxative), fertilizer(potash content: 50 %); also used in the making of alum, glass and potassium carbonate etc.
                                                              Packaging:In 25Kg/woven bag lined with double-layer plastic bag
                                                              Storage Precautions:Stored in cool, draughty and dry place at room temperature.
                                                              MSDS: Download
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