Nickel Oxide

Name:Nickel Oxide

Molecular formula:NiO

Molecular Weight:74.70

Characteristics:

Nickel monoxide is green powder,or yellow powder when overheated.The specific weight of it is 6.6-6.8 and melting point 1990℃.It dissovlves in sulfuric acid,nitric acid,hydrochloric acid and ammonia solution while insoluble in water and liquid ammonia.When heated to 400℃ in air it is oxidized to nichel troxide,however,it is deoxidized back to nickel monoxide wehn heated to 600℃.The nickel monoxide made through a process of being calcined at low temperature is chemical activated,in contrast to being calcined at 1000℃,it is green yellow and lower chemical activity:That is ,the higher calcination temperature of manufacutring process,the higher density and resistance as well as the lower solubility and catalytic activity of nickel monoxide.

Assay:

Ni:78% Min

Co:0.03% Max

Cu:0.02% Max

Fe:0.02% Max

Zn:0.005% Max

S:0.005% Max

Ca:0.03% Max

Mg:0.03% Max

Na:0.02% Max

Hydrochloric acid,insoluble substances:0.10% Max.

Size: through 500 mesh sieve,sieve residue of not more than 0.5%.

Package : 25kg kraft bag or paper drum.