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    Ammonium fluoride
    
           
    
	
		
    
			Molecular formula
			NH4F
		
    
		
    
			Molecular weight
			37.04
		
    
		
    
			CAS    NO
			12125-01-8
		
    
		
    
			Characters
			White crystal
		
    
		
    
			Use
			Used as precipitant, glass carve, etc.
		
    
		
    
			Specification
			Excellent grade pure, Analytically pure , chemically pure
		
    
		
    
			Executive standard
			GB/T 1276-1999
		
    
		
    
			Technical index
			
			
    
				
					
    
						
						
    Name
    
						    		
						
						
    Excellent grade pure(%)
    
						    		
						
						
    Analytically pure (%)
    
						    		
						
						
    Chemically pure(%)
    
						    		
					
    
					
    
						
						
    Content(NH4F)
    
						    		
						
						
    ≥96.0
    
						    		
						
						
    ≥96.0
    
						    		
						
						
    ≥95.0
    
						    		
					
    
					
    
						
						
    Clarity test
    
						    		
						
						
    qualified
    
						    		
						qualified
						qualified
					
    
					
    
						
						
    Ignition residue(Sulfate)
    
						    		
						
						
    ≤0.005
    
						    		
						
						
    ≤0.02
    
						    		
						
						
    ≤0.05
    
						    		
					
    
					
    
						
						
    Free acid(NH4HF2)
    
						    		
						
						
    ≤0.2
    
						    		
						
						
    ≤0.5
    
						    		
						
						
    ≤1.0
    
						    		
					
    
					
    
						
						
    Free alkali
    
						    		
						
						
    qualified
    
						    		
						qualified
						qualified
					
    
					
    
						
						
    Chloride(Cl)
    
						    		
						
						
    ≤0.0005
    
						    		
						
						
    ≤0.005
    
						    		
						
						
    ≤0.01
    
						    		
					
    
					
    
						
						
    Sulfate(SO4)
    
						    		
						
						
    ≤0.005
    
						    		
						
						
    ≤0.01
    
						    		
						
						
    ≤0.02
    
						    		
					
    
					
    
						Fluosilicate (SiF6)
						≤0.08
						≤0.30
						≤0.60
					
    
					
    
						Ferrum(Fe)
						≤0.0005
						≤0.002
						≤0.004
					
    
					
    
						Heavy metal(Pb)
						≤0.0005
						≤0.001
						≤0.002
					
    
				    
			
    
			    		
		
    
		
    
			Packing
			500kg for bottle packing, 40kg for pail packing, 25kg for paper plastic packing
		
    
	    

    

    
           
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