| Other: | Molecular weight: 172.42 Physicochemical properties: White powder.
 Uses: For biochemical research, pet food and nutritional supplements and health supplements, biopharmaceuticals.
 Product packaging: 25kg composite kraft paper bag, carton or cardboard drum or according to customer needs.
 
	
		
			| Item | Index |  
			| Pharmaceutical Grade | Health care Grade |  
			| Magnesium %≥ | 13.8-14.4 | 19.8-21.2 |  
			| Nitrogen% | 10.5-12.5 | 10.0-12.0 |  
			| Heavy metal ppm≤ | 1 | 5 |  
			| Cadmium ppm≤ | 1 | 2 |  
			| Mercury ppm≤ | 1 | 1 |  
			| Moisture %≤ | 1 | 1.5 |  
			| Aerobic bacteria plate count cfu/g≤ | 1000 | 1000 |  
			| Mold and yeast cfu/g≤ | 100 | 100 |  
			| Total coliform cfu/g≤ | 10 | 10 |  
			| Coliforms Cannot detect 10 g | Qualified | Qualified |  
			| Salmonella Cannot be detected in 25 grams | Qualified | Qualified |  
			| Staphylococcus  Cannot be detected in 10 grams | Qualified | Qualified |  |