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          Potassium hexacyanoferrate
          
           
          
	
		
          
			Molecular formula
			K4[Fe(CN)6].3H2O
		
          
		
          
			Molecular weight
			422.39
		
          
		
          
			CAS    NO
			13943-58-3
		
          
		
          
			Characters
			Yellow crystal or grain
		
          
		
          
			Use
			Used to test copper, zinc, protein, etc.
		
          
		
          
			Specification
			Analytically pure , chemically pure
		
          
		
          
			Executive standard
			GB/T 1273-1988.
		
          
		
          
			Technical index
			
			
          
				
					
          
						
						
          Name
          
						          		
						
						
          Analytically pure (%)
          
						          		
						
						
          Chemically pure(%)
          
						          		
					
          
					
          
						
						
          Content
          
						          		
						
						
          ≥99.5
          
						          		
						
						
          ≥98.5
          
						          		
					
          
					
          
						
						
          Water undissolved substance
          
						          		
						
						
          ≤0.005
          
						          		
						
						
          ≤0.01
          
						          		
					
          
					
          
						
						
          Chloride(Cl)
          
						          		
						
						
          ≤0.005
          
						          		
						
						
          ≤0.02
          
						          		
					
          
					
          
						
						
          Sulfate(SO4)
          
						          		
						
						
          ≤0.005
          
						          		
						
						
          ≤0.01
          
						          		
					
          
					
          
						
						
          Natrium(Na)
          
						          		
						
						
          ≤0.02
          
						          		
						
						
          —
          
						          		
					
          
				          
			
          
			          		
		
          
		
          
			Packing
			500kg for bottle packing, 40kg for pail packing, 25kg for paper plastic packing.
		
          
	          

          

          
           
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