Properties: Swanlike, grass green crystal. Freely soluble in water and inorganic acid, slightly soluble in ethanol, lost of crystal water under high temperature.
	Specification(%):
	Index Industrial Grade industrial grade (low content of Cobalt) Nickel (Ni) 28-34.2% 32-34.2% Cobalt (Co) 0.6%max 0.05%max Copper (Cu) 0.002%max 0.001%max Iron (Fe) 0.008%max 0.008%max Lead (Pb) 0.001%max 0.001%max Zinc (Zn) 0.001%max 0.001%max Sulfate (SO4 ) 0.1%max 0.1%max Chloride (Cl - ) 0.05%max 0.05%max Water insoluble 0.6%max 0.6%max