prov:value
| - When using one or more of these materials as the starting materials, gaseous species such as carbon oxides, hydrogen, water, and ammonia can be generated and removed, if necessary, during preparation. [0085] The oxide Li2O, a divalent oxide of the metal M??? (such as FeO, MnO, or CoO), and P2O5 can be used as the source of the main constituents.
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