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          Magnesium hydroxide
          
           
          
	
		
          
			Molecular formula
			Mg(OH)2
		
          
		
          
			Molecular weight
			58.34
		
          
		
          
			CAS    NO
			1309-42-8
		
          
		
          
			Characters
			White amorphism powder
		
          
		
          
			Use
			Used in pharmaceutical and refining for sugar.
		
          
		
          
			Specification
			Analytically pure , chemically pure
		
          
		
          
			Executive standard
			Enterprise standard
		
          
		
          
			Technical index
			
			
          
				
					
          
						
						
          Name
          
						          		
						
						
          Analytically pure (%)
          
						          		
						
						
          Chemically pure(%)
          
						          		
					
          
					
          
						Content
						
						
          ≥98.0
          
						          		
						
						
          ≥98.0
          
						          		
					
          
					
          
						Unsolvable in hydrochloric acid
						
						
          ≤0.03
          
						          		
						
						
          ≤0.1
          
						          		
					
          
					
          
						Water soluble matter
						≤0.5
						—
					
          
					
          
						loss on drying
						≤2
						≤2
					
          
					
          
						Ignition loss
						30～33
						30～33
					
          
					
          
						Chloride(Cl)
						
						
          ≤0.02
          
						          		
						
						
          ≤0.05
          
						          		
					
          
					
          
						Nitrate(NO3)
						≤0.005
						≤0.01
					
          
					
          
						
						
          Sulfate(SO4)
          
						          		
						
						
          ≤0.02
          
						          		
						
						
          ≤0.2
          
						          		
					
          
					
          
						Calcium(Ca)
						
						
          ≤0.05
          
						          		
						
						
          —
          
						          		
					
          
					
          
						
						
          Ferrum(Fe)
          
						          		
						
						
          ≤0.002
          
						          		
						
						
          ≤0.01
          
						          		
					
          
					
          
						
						
          Heavy metal(Pb)
          
						          		
						
						
          ≤0.005
          
						          		
						
						
          ≤0.01
          
						          		
					
          
				          
			
          
			          		
		
          
		
          
			Packing
			500kg for bottle packing, 40kg for pail packing, 25kg for paper plastic packing.
		
          
	          

          

          
           
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