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Answered By: Sara Stambaugh, Digital Services Librarian Last Updated: Mar 25, 2016 Views: 39
To research this topic, try a reference collection like Encyclopedia Britannica or Credo Reference eBooks. Both of these can be accessed via the Rasmussen College Online Library (under the "Find" column click Articles, then Reference--Dictionaries, Encyclopedias).
Once you are in either collection, search using the keyword nitrate.