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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, as used commercially, is often called anhydrous ammonia. This term emphasizes the absence of water in the material. Because NH3 boils at â33.34 Â°C at a pressure of 1 atmosphere, the liquid must be stored under high pressure or at low temperature.