Pink powder, insoluble in water, soluble in acid. can easily absorb moisture, can quickly absorb moisture and carbon dioxide in the air, it should be kept in sealed containers.
- cerium ammonium nitrate, is the important material for making chrome etchant which is a very important micro electronic circuit corroding materials for lcd;
- Cerium ammonium nitrate is also applied in specialty glass and catalyst. in steels, cerium degasifies and can help reduce sulfides and oxides, and it is a precipitation hardening agent in stainless steel. cerium alloys are used in permanent magnets,and in tungsten electrodes for gas tungsten arc welding.
- It is also used in carbon-arc lighting, especially in the motion picture industry.