| Other: | Molecular weight :175.32Property :Colorless cubic fine crystals.Melting point 1355℃, relative density 4.89, slightly soluble in hot water, soluble in acid and ammonium chloride.
 Application :Used in electronics, instrument, metallurgy industry, antiseptic
 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 |  |