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          Ammonium bifluoride
          
           
          
	
		
          
			Molecular formula
			NH4HF2
		
          
		
          
			Molecular weight
			57.04
		
          
		
          
			CAS    NO
			1341-49-7
		
          
		
          
			Characters
			White orthorhombic crystal
		
          
		
          
			Use
			Used for carving for china and glass.
		
          
		
          
			Specification
			Analytically pure , chemically pure
		
          
		
          
			Executive standard
			GB/T 1278-1994
		
          
		
          
			Technical index
			
			
          
				
					
          
						
						
          Name
          
						          		
						Analytically pure (%)
						Chemically pure(%)
					
          
					
          
						
						
          Content
          
						          		
						
						
          ≥98.0
          
						          		
						≥97.0
					
          
					
          
						
						
          Ignition residue(Sulfate)
          
						          		
						
						
          ≤0.01
          
						          		
						≤0.05
					
          
					
          
						
						
          Chloride(Cl)
          
						          		
						
						
          ≤0.001
          
						          		
						≤0.005
					
          
					
          
						
						
          Sulfate(SO4)
          
						          		
						
						
          ≤0.005
          
						          		
						≤0.01
					
          
					
          
						
						
          Fluosilicate (SiF6)
          
						          		
						
						
          ≤0.2
          
						          		
						≤0.5
					
          
					
          
						
						
          Ferrum(Fe)
          
						          		
						
						
          ≤0.001
          
						          		
						≤0.005
					
          
					
          
						
						
          Heavy metal(Pb)
          
						          		
						≤0.002
						≤0.005
					
          
				          
			
          
			          		
		
          
		
          
			Packing
			500kg for bottle packing, 40kg for pail packing, 25kg for paper plastic packing
		
          
	          

          

          
           
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