colorless liquid (sometimes with a yellowish tinge) with a characteristic pungent smell-free solids.
for chemically pure substances, as a reagent in analytical chemistry, medicine, agriculture, the manufacture of dyes, the light industry.
Ammonia is the most common nitrogen compound. It has the formula NH3. This is a colorless gas with a sharp, pungent odor, which has a high degree of toxicity. Therefore, when working with it, you need to use personal protective equipment. It is rarely used in its pure form. Most often an aqueous solution is used - Ammonia water, which significantly reduces aggressive properties.
Ammonia water is a solution of synthetic or coke chemical ammonia in water. It has the form of a transparent liquid, sometimes a yellowish hue. Has a sharp smell.
Ammonium water contains up to 30% ammonia, that is 24.6% nitrogen and 70% water. At a temperature below + 21,10 ° C does not increase the pressure, but with increasing temperature only slightly increases it. One liter of ammonia water weighs 888 g and contains 220 g of nitrogen.
Ammonia can evaporate from ammonia water.
Water ammonia causes corrosion of non-ferrous metals and their alloys, however, ferrous metals and cast iron are resistant to the action of aqueous ammonia.
Rubber is also not affected by water ammonia.
Explosive mixtures of ammonia vapors with air can form in closed volumes above aqueous solutions of ammonia.
Irritating to skin and mucous membranes.
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