| Other: | Molecular weight :78.08Property :A cube, octahedron, or dodecahedron.Colorless crystals or white powder, impurities in natural minerals, greenish or purplish.Soluble in hydrochloric acid, hydrofluoric acid, sulfuric acid, nitric acid and ammonium salt solution, insoluble in acetone.
 Application :Widely used in chemical industry, metallurgy, glass, enamel and cement and other fields
 Pack:It is packed in 25kg plastic woven bag or composite kraft paper bag, carton or cardboard bucket.
 
	
		
			| ITEM | YingKe Standard |  
			| Co ppm | ≤1 |  
			| Cr ppm | ≤1 |  
			| Cu ppm | ≤2.0 |  
			| Fe ppm | ≤5 |  
			| Mn ppm | ≤1 |  
			| Ni ppm | ≤1 |  
			| Calcination of weightlessness | ≤1 |  |