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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.
The assay can be used to measure ammonia levels over a broad range, from as low as 12 Î¼mol/L to as high as 1 mmol/L. The disadvantage of this approach is the length and complexity of the procedure, thereby enhancing the potential for variation in reported blood ammonia levels.