| project | 
			Specifications | 
		 
		
			| Appearance | 
			White crystal | 
		 
		
			| Mesh number | 
			40-60 mesh | 
		 
		
			| purity | 
			>99.9% | 
		 
		
			| DMSO content | 
			≤0.01% | 
		 
		
			| Melting point @ 760mm Hg | 
			108℃±1℃ | 
		 
		
			| Bulk density | 
			>0.65g/ml | 
		 
		
			| water content | 
			<0.2% | 
		 
		
			| heavy metal | 
			<3ppm | 
		 
		
			| arsenic | 
			<0.1ppm | 
		 
		
			| cadmium | 
			<0.1ppm | 
		 
		
			| mercury | 
			<0.1ppm | 
		 
		
			| lead | 
			<1ppm | 
		 
		
			| Burning residue | 
			<0.2% | 
		 
		
			| Total bacteria | 
			<1000CFU/G | 
		 
		
			| Coliform | 
			No | 
		 
		
			| Escherichia coli | 
			No | 
		 
		
			| Yeast | 
			<10 | 
		 
		
			| Salmonella | 
			No | 
		 
	
 
 
                 
                 
               
               
                | 
	             
              |