| http://www.w3.org/ns/prov#value | - Generally the temperature of reaction for the formation of zinc ferrites will be less than 1300??? C. and preferably less than 1150??? C. Preferably the ferrites are formed at 400???-1100??? C. in a controlled atmosphere, e.g. air, nitrogen, helium, a reducing atmosphere such as hydrogen, carbon monoxide and the like.
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