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| a substance that, because of the reactions it causes, is used in analysis and synthesis |
| a double sulfate analogous to potassium alum, as aluminum ammonium sulfate, with the formula R2SO4?X2(SO4)3?24H2O, where R is alkali metal or ammonium |
ferrous fer·rous (fěr'əs)
adj.
Of, relating to, or containing iron, especially with a valence of 2 or a valence lower than in a corresponding ferric compound.
| ferrous (fěr'əs) Pronunciation Key
Containing iron, especially iron with a valence of 2. Compare ferric. |