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【Specifications】:
| 
			 Item 
			 | 
			
			 Detail  | 
		
| 
			 Appearance  | 
			
			 colorless clear ropy liquid  | 
		
| 
			 Refractive index  | 
			
			 1.4610—1.4630  | 
		
| 
			 Assay  | 
			
			 ≥ 99.0%  | 
		
| 
			 Moisture  | 
			
			 ≤ 0.05%  | 
		
| 
			 Color  | 
			
			 ≤ 40  | 
		
| 
			 Specific wt.  | 
			
			 1.070—1.080  |