Ví dụ về việc sử dụng Hydrogen fluoride trong Tiếng anh và bản dịch của chúng sang Tiếng việt
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With more than 85% hydrogen fluoride.
Hydrogen fluoride is predominantly used in the production of aluminum and chlorofluorocarbons(CFCs).
It is produced from ammonia and hydrogen fluoride.
During the process the hydrogen fluoride content of the electrolyte is decreased, and the melting point rises;
It is produced from ammonia and hydrogen fluoride.
The reaction between hydrogen fluoride and antimony pentrafluoride that forms fluoroantimonic acid is exothermic.
HYDROFLUORIC ACID containing more than 85% hydrogen fluoride|.
Hydrofluoric acid is an aqueous solution of hydrogen fluoride gas, a clear, colorless, fuming corrosive liquid with a strong pungent odor.
This reaction is explosive even in the cold and dark,and you tend to get carbon and hydrogen fluoride produced.
Hydrogen fluoride is also used for separating uranium isotopes, as a catalyst in the petroleum industry, and in stainless steel pickling.
The main products include anhydrous hydrogen fluoride and ammonium bifluoride….
The salt was prepared by Edmond Frémy who decomposed it to generate,for the first time, hydrogen fluoride.
When UCl6 is reacted with purified anhydrous liquid Hydrogen Fluoride(HF) at room temperature produces UF5.
NaMFP can also be prepared by treating tetrasodium pyrophosphate ordisodium phosphate with hydrogen fluoride.
Hydrogen fluoride, hydrogen sulfide, sulfur dioxide, acid fog, nitrogen oxide and other inorganic waste factory and workshop.
French chemist Edmond Frémy(1814- 1894)is credited with discovering anhydrous hydrogen fluoride(HF) while trying to isolate fluorine.
Concentrated solutions of hydrogen fluoride are much more strongly acid than implied by this value, as shown by measurements of the Hammett acidity function H0[16](or"effective pH").
In either event, an inhibited fuming nitric acid(either IWFNA, or IRFNA)can be made by the addition of 0.6 to 0.7% hydrogen fluoride, HF.
This chemical was synthesized by mixing argon and hydrogen fluoride on a caesium iodide surface at 8 K(- 265 °C), and exposing the mixture to ultraviolet radiation.
This fluorination may be accomplished also by treating organic compounds with cobalt trifluoride(CoF3)or by electrolyzing their solutions in anhydrous hydrogen fluoride.
The"canonical" composition of fluoroantimonic acid is prepared by treating hydrogen fluoride(HF) with antimony pentafluoride(SbF5) in a stoichiometric ratio of 2:1.
Hydrogen fluoride and boron trifluoride(BF3) are produced commercially because they are good catalysts for the alkylation reactions used to prepare organic compounds of many kinds.
In the sublimation, the salt decomposes to ammonia and hydrogen fluoride, and the two gases can recombine to give ammonium fluoride, i.e. the reaction is reversible.
When inverted to spray liquid, the boiling fluorocarbon aerosol is easily ignitable, producing a very large blast of flame andextremely toxic gases such as hydrogen fluoride and carbonyl fluoride as combustion products.
The usual impurities in commercial hydrogen fluoride are sulfurous and sulfuric acids, as well as fluorosilicic acid(H2SiF6), arising from the presence of silica in the fluorspar.
Previous techniques needed temperatures so high that the plutoniumhexafluoride produced would decompose rapidly.[8] Hydrogen fluoride is not sufficient;[9] even though it is a powerful fluorinating agent.
A solution of hydrogen fluoride gas in water is called hydrofluoric acid, large quantities of which are consumed in industry for cleaning metals and for polishing, frosting, and etching glass.
They start with an alloyed semiconductor material called indium gallium arsenide,then expose it to hydrogen fluoride, which creates a thin layer of metal fluoride on the substrate surface.
The main products include anhydrous hydrogen fluoride and ammonium bifluoride respectively with annual output of 35,000 tons and 8,000 tons, CH2F2(R32) 20,000 tons, R410a 10000 tons, and H2SO4 300000 tons.
In hydrogen fluoride HF overlap between the H 1s and F 2s orbitals is allowed by symmetry but the difference in energy between the two atomic orbitals prevents them from interacting to create a molecular orbital.