| 词汇 | ammonium-hydroxide |
| 释义 | ammonium hydroxide noun[ U ] chemistry specializeduk /əˌməʊ.ni.əm haɪˈdrɒk.saɪd/ us /əˌmoʊ.ni.əm haɪˈdrɑːk.saɪd/ a chemical consisting of water and ammonia, used as a bleach and a strong cleaning solution氢氧化铵（用作漂白清洁剂） Chemicals, chemical compounds & gases acetic acid acetone acrolein acrylamide activated charcoal adenine agglomerate ethyl alcohol H2O HCFC HFC hyaluronic acid hydrochloric acid hydrochlorofluorocarbon laughing gas limescale metho meths oxyacetylene tartaric acid Examples of ammonium hydroxideammonium hydroxide Sarah asks to use the bathroom, but, instead, examines a room containing plastic sheeting and chemicals, including ammoniumhydroxide. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The differentiation process was stopped by transfer briefly to alkaline alcohol (0.25 ml ammoniumhydroxide in 250 ml 70% ethanol). Differentiation was stopped by transfer briefly to alkaline alcohol (0.25 ml ammoniumhydroxide in 250 ml 70% ethanol). The group is determined by making a solution of the salt in water and adding ammonium chloride and ammoniumhydroxide. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A drop of ammoniumhydroxide on the cap instantly produces a mahogany red reaction, which distinguishes it from some other similar species of the genus. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is precipitated during production by adding aqueous ammoniumhydroxide after uranium extraction by tertiary amines in an organic kerosene solvent. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Here, fumes of ammoniumhydroxide create an extremely alkaline environment. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In industry, ammoniumhydroxide is used as a precursor to some alkyl amines, although anhydrous ammonia is usually preferred. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is manufactured by adding a solution of ammoniumhydroxide to a solution of chromium salt. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Polyaspartic acid can also be synthesized by polymerization of maleic anhydride in presence of ammoniumhydroxide. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Ammonia interacts with moist surfaces to form ammoniumhydroxide, which causes necrosis of tissues. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It consists of exposing the wood to fumes from a strong aqueous solution of ammoniumhydroxide which reacts with the tannins in the wood. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is formed by the action of chromic acid on ammoniumhydroxide with subsequent crystallisation. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A white precipitate is formed, to which ammoniumhydroxide is then added. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Proteins with the free thiol group give a red colour when added to sodium nitroprusside with ammoniumhydroxide. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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