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Ammonia as Nitrogen. ALS Environmental may or may not test for Ammonia as Nitrogen (CAS # 7664-41-7). Information is subject to change; please contact us for the latest available analytes for which we test.
ammonia. a colorless alkaline gas, NH 3, with a pungent odor and acrid taste, and soluble in water. ammonia N 13 ammonia in which a portion of the molecules are labeled with 13 N; used in positron emission tomography of the cardiovascular system, brain, and liver. colorless alkaline gas, NH 3, with a pungent odor and acrid taste, and highly soluble in water. See also ammonium. blood ammonia. ammonia is a cerebrointoxicant and a high blood level causes a degenerative brain lesion.