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	CAS No.: [ CAS  6047-25-2 ] 
	Molecular formula: FeC2O4 . 2H2O 
	Molecular weight: 179.89 
	Property: light yellow powder crystal; lightly soluble in water, soluble in dilute acid; melting point is 160℃ 
	Uses: photographic developer, anode material of battery 
	Enterprise standard: Factory  standard   
	
		
			| 
				 
					Ordinal 
			 | 
			
				 
					The examination  iterm 
			 | 
			
				 
					Factory standard 
			 | 
			
				 
					  
			 | 
		 
		
			| 
				 
					1 
			 | 
			
				 
					FeC2O4 . 2H2O(Content) 
			 | 
			
				 
					≥99.5% 
			 | 
			
				 
					≥99.0% 
			 | 
		 
		
			| 
				 
					2 
			 | 
			
				 
					(以Cl-计)(chloride) 
			 | 
			
				 
					≤0.01% 
			 | 
			
				 
					≤0.05% 
			 | 
		 
		
			| 
				 
					3 
			 | 
			
				 
					(以SO42)(Sulphate) 
			 | 
			
				 
					≤0.01% 
			 | 
			
				 
					≤0.05% 
			 | 
		 
		
			| 
				 
					4 
			 | 
			
				 
					(Heavy metal)Pb 
			 | 
			
				 
					≤0.005% 
			 | 
			
				 
					≤0.005% 
			 | 
		 
		
			| 
				 
					5 
			 | 
			
				 
					(Fe3+) 
			 | 
			
				 
					≤0.4% 
			 | 
			
				 
					≤0.5% 
			 | 
		 
		
			| 
				 
					6 
			 | 
			
				 
					D50(um) 
			 | 
			
				 
					3-5 
			 | 
			
				 
					≤10 
			 | 
		 
		
			| 
				 
					7 
			 | 
			
				 
					SEM 
			 | 
			
				 
					  
			 | 
			
				 
					Other 
			 | 
		 
	
 
	Notes:The product should be stored in seal and dry place to avoid direct contact with oxidizing agent. 
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