China Western Medicine, Ketoconazole Cream, Find details about China Ketoconazole Cream, Western Medicine from Western Medicine, Ketoconazole Cream - Anhui Medipharm Co., Ltd. Sign In Join Free
To answer the question, pure ammonia has a density of ~0.7-0.9 g/L, depending on temperature. The density of air is ~1.2 g/L, again depending on temperature and pressure. So, yes, ammonia gas is lighter than air in terms of density. 3 people found this useful.
Ammonia exists naturally in the air at levels between 1 and 5 parts in a billion parts of air (ppb). It is commonly found in rainwater. The ammonia levels in rivers and bays are usually less than 6 parts per million (ppm; 6 ppm=6,000 ppb). Soil typically contains about 1-5 ppm of ammonia.