Potassium-hydroxide Sentence Examples
It is also obtained by heating para-chlorphenoldisulphonic acid with potassium hydroxide.
Cadmium hydroxide, Cd(OH) 2, is obtained as a white precipitate by adding potassium hydroxide to a solution of any soluble cadmium salt.
The solution obtained may be evaporated in vacuo until it attains a density of 1.46 when, if partially saturated with potassium hydroxide and filtered, it yields crystals of potassium pentathionate, K 2 S 5 0 6.3H 2 0.
With potassium hydroxide it yields potassium silicofluoride,.
Traces of ethyl alcohol in solutions are detected and estimated by oxidation to acetaldehyde, or by conversion into iodoform by warming with iodine and potassium hydroxide.Advertisement
Sodium and potassium hydroxide solutions precipitate green chromium hydroxide from solutions of chromic salts; the precipitate is soluble in excess of the cold alkali, but is completely thrown down on boiling the solution.
Chromous oxide, CrO, is unknown in the free state, but in the hydrated condition as Cr04H 2 0 or Cr(OH) 2 it may be prepared by precipitating chromous chloride by a solution of potassium hydroxide in air-free water.
Its action upon turmeric is characteristic; a turmeric paper moistened with a solution of boric acid turns brown, the colour becoming much darker as the paper dries; while the addition of sodium or potassium hydroxide turns it almost black.
Lanthanum hydroxide, La(OH) 3, is a white amorphous powder formed by precipitating lanthanum salts by potassium hydroxide.
Hydrolysis by alkaline solutions gives a sugar and caffeic acid; whilst fusion with potassium hydroxide gives protocatechuic acid.Advertisement
In Fleitmann's test, the solution containing the arsenious compound is mixed with pure potassium hydroxide solution and a piece of pure zinc or aluminium foil dropped in and the whole then heated.
They use nickel and cadmium as electrodes and aqueous potassium hydroxide as electrolyte.
Most alkaline battery leaks involve the potassium hydroxide inside the battery leaking out.
Since potassium hydroxide is a base, you need an acid to clean it out.
The material that leaks from alkaline batteries is potassium hydroxide which is the electrolyte of the battery's make-up.Advertisement
Under certain conditions, such as extreme heat, the potassium hydroxide paste inside the battery expands.
Once the potassium hydroxide reaches the metal terminals or connectors, it causes them to corrode producing a powder that is a greenish blue color.
Since potassium hydroxide is a base, an acid must be used to clean the leakage.
The potassium hydroxide that leaks from batteries is a corrosive material that is highly toxic.
If the potassium hydroxide makes contact with your skin, flush the area well with water.Advertisement
Lye is another word for sodium hydroxide or potassium hydroxide.