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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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