The water vapour is condensed and the ammonium vapour is converted to ammonium hydroxide.
A quaternary ammonium salt of lactic acid and a water-soluble quaternary ammonium hydroxide is also provided.
As the organic base or a salt thereof, there is used a quaternary ammonium hydroxide.
Ammonium hydroxide, halogens (high concentrations), halogenated phenols.
Also known as: Ammonium Hydroxide, aqueous ammonia
A cleaning composition for removing photoresist includes a dimethylsulfone, a quaternary ammonium hydroxide, characterized in that further includes a surfactant, the surfactant is a hydroxyl-containing polyether.
The nitrogen dioxide in the nitrogen dioxide-containing solution (36) is then reacted with ammonium hydroxide to form ammonium nitrate as a valuable byproduct.
A partially or completely water-miscible organic solvent is used as the solvent and the base is an alkaline or alkaline earth hydroxide, an alkali carbonate or a quaternary ammonium hydroxide.
The cleaning solution comprises a quaternary ammonium hydroxide, an organic amine, a corrosion inhibitor, and water.
A process for the production of a quaternary ammonium salt of lactic acid, comprising contacting at least one saccharide with at least one water-soluble quaternary ammonium hydroxide, is provided.
Optionally, the composition further comprises at least one of a rheological additive, ammonium hydroxide or a defoaming compound.
Preservation is accomplished by raising the pH of the sample above 8.0 with either liquid (ammonium sulphate/ammonium hydroxide) or solid (sodium carbonate/sodium bicarbonate/ammonium sulphate) buffers.
Preferably, the solution is comprised of DI water, and ammonium hydroxide based component, such as TMAH, silicic acid, and aluminum hydroxide.
Treating actinium trifluoride with ammonium hydroxide at 900–1000 °C yields oxyfluoride AcOF.
Treating actinium trifluoride with ammonium hydroxide at 900-1000 °C yields oxyfluoride AcOF.
The cleaning solution comprises a quaternary ammonium hydroxide, an organic amine, a corrosion inhibitor, optionally an organic acid, and water.
The pH is preferably in the range 3 to 6, and may be adjusted with a quaternary ammonium hydroxide such as tetramethylammonium hydroxide (TMAH).
In one embodiment, a cleaning solution includes at least two organic amines but is substantially free of quaternary ammonium hydroxides.
This remover for removing siloxane resin attached to a semiconductor substrate contains a polar aprotic solvent and a quaternary ammonium hydroxide.
There are provided compositions which include a retinoid and preferably retinol; a dermatologically active acid; and a volatile base, such as ammonium hydroxide.
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,
Traduction Translation Traducción Übersetzung Tradução Traduzione Traducere Vertaling Tłumaczenie Mετάφραση Oversættelse Översättning Käännös Aistriúchán Traduzzjoni Prevajanje Vertimas Tõlge Preklad Fordítás Tulkojumi Превод Překlad Prijevod 翻訳 번역 翻译 Перевод