The pH is preferably raised to up to 2.5 by the addition of ammonia solution.
An improved process for reducing nitrogen oxide emissions to the atmosphere comprises the injection of ammonia vapor, formed by the vaporization of an aqueous ammonia solution (5), into a combustion effluent.
Dunk a clean washcloth into the ammonia solution and wring it out a bit.
The acid species are captured in an ammonia solution, which is then regenerated by stripping the absorbed species.
Dilute 80 ml of ammonia solution (relative density at 20 °C: 0,880) to 1 litre with water.
In furniture-making, ammonium hydroxide was traditionally used to darken or stain wood containing tannic acid.
Blot dry and afterwards use the ammonia remedy and also blot completely dry once again.
Blot completely dry and after that utilize the ammonia option and blot completely dry again.
The method comprises placing the open vessel filled with the solution of salt mixture and the open vessel filled with the solution of ammonia in the same closed circumstance.
Then remove the stain using only a solution of 10% ammonia diluted in water.
In furniture-making, Ammonia fuming was traditionally used to darken or stain wood containing tannic acid.
If necessary, neutralise (turning of indicator (4.7) from green to blue) with a few drops of the ammonia solution (4.3).
The apparatus has a constitution in which a reducing liquid supplied through the third pipeline is mixed with a liquid mixture of a silver ion solution and an ammonia solution, the liquid mixture being supplied through the fourth pipeline.
To speed up the process a highly diluted solution of ammonia ( 5cl per 10l water) could be applied with a brush.
Neutralise very slowly with ammonia solution (4.3) while stirring continuously to a pH of 4,4 to 4,6 (turning of indicator (4.8) from green to blue).
Following cyclotron irradiation of the oxide, the coating was dissolved with nitric acid and then precipitated as the hydroxide using concentrated aqueous ammonia solution.
After cyclotron irradiation, the coating was dissolved with nitric acid, and then precipitated as the hydroxide using concentrated aqueous ammonia solution.
After the irradiation, the coating was dissolved with nitric acid and then precipitated as the hydroxide using concentrated aqueous ammonia solution.
After cyclotron irradiation, the coating was dissolved with nitric acid, and then precipitated as the hydroxide using concentrated aqueous ammonia solution.
Rinsing with vinegar or a mild ammonia solution is an effective remedy, and an antihistamine tablet and cream will also reduce inflammation.
Beekeepers use propolis, melted together with wax or in an ammonia solution (Anon, 1982) to apply to the inside of hives or swarm traps to attract swarms.
Requêtes fréquentes français :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
Requêtes fréquentes anglais :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
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