| 
			 Test Item 
			 | 
			
			 Test Index 
			 | 
		
|---|---|
| 
			 Mass fraction of calcium chloride (CaCl2),% 
			 | 
			
			 ≥98.0 
			 | 
		
| 
			 Alkalinity (calculated as Ca(OH)2),% 
			 | 
			
			 ≤0.10 
			 | 
		
| 
			 Magnesium and alkali metal salt,% 
			 | 
			
			 ≤1.0 
			 | 
		
| 
			 Mass fraction of total heavy metals (calculated by Pb),% 
			 | 
			
			 ≤0.005 
			 | 
		
| 
			 Mass fraction of water insoluble matter,% 
			 | 
			
			 ≤0.10 
			 | 
		
| 
			 Iron (Fe) 
			 | 
			
			 ≤0.001 
			 | 
		
| 
			 pH value 
			 | 
			
			 7~9.8 
			 |