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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.
Boiling point is at -28 F. Freezing point is at -107.9 F; a white crystalline mass forms. Critical temperature is at 270.3 F; ammonia exists as a vapor, regardless of pressure above this temperature. Density of ammonia liquid is 42.57 pounds per cubic feet @ -28 F; ammonia liquid is lighter than water.