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Quick Answer. A personâs normal ammonia level typically ranges between 15 to 45 micrograms per deciliter. To determine these levels, an ammonia blood test is performed.
Ammonia is a colourless gas with a sharp, penetrating odour. Its boiling point is â33.35 Â°C (â28.03 Â°F), and its freezing point is â77.7 Â°C (â107.8 Â°F). It has a high heat of vaporization (23.3 kilojoules per mole at its boiling point) and can be handled as a liquid in thermally insulated containers in the laboratory.