1, using

Used as detergent, neutralizer and alkaloid leaching agent. It is also used in pharmaceutical industry, gauze cover industry, photo printing and so on.

2. Production

To prepare ammonia, ammonium chloride and sodium hydroxide can be used to prepare ammonia, which requires heating, or ammonium salt and alkali are mixed to prepare heating. During collection, air is discharged downward and gas is introduced into water to form ammonia water. Then put the prepared ammonia water into a brown bottle.

It is suggested that ammonia water is toxic, irritating and corrosive to eyes, nose and skin, and can suffocate people. The maximum allowable concentration in the air is 30mg/m3. Mainly used as fertilizer. Ammonia is volatilized from ammonia water, and the volatilization rate increases with the increase of temperature and static time, and the volatilization amount increases with the increase of concentration.