| 单词 | oxidizing agent |
| 例句 | These nanozymes mimic the activity of peroxidase, an enzyme that catalyzes the oxidation of a substrate by using hydrogen peroxide as an oxidizing agent. Researchers develop organic nanozymes suitable for agricultural use 2023-10-16T04:00:00Z Oxygen is a good oxidizing agent for these reactions because it can gain electrons to go from the 0 oxidation state to the 2− state. Chemistry 2019-02-14T00:00:00Z A compound that oxidizes another is called an oxidizing agent. Biology for AP Courses 2022-06-09T00:00:00Z He added they suspected a strong oxidizing agent might have gotten into the water causing the oxygen levels to rise sharply, which can harm fish. Dead fish in River Oder on Polish/German border spur contamination probe 2022-08-11T04:00:00Z Sodium nitrate is listed online as an oxidizing agent and is known to preserve foods. Actor Matthew Mindler's cause and manner of death revealed 2021-10-14T04:00:00Z Agents reported finding hand-drawn schematics and component parts of a destructive device, including flammable liquids, oxidizing agents and circuit boards. Vegas man to plead guilty in plot to bomb synagogue, bar 2020-01-31T05:00:00Z With the exception of nitrogen and carbon, which are poor oxidizing agents, a more electronegative nonmetal oxidizes a less electronegative nonmetal or the anion of the nonmetal: Chemistry 2019-02-14T00:00:00Z NAD+ , an oxidizing agent, can accept electrons from organic molecules and get reduced to NADH2. Biology for AP Courses 2022-06-09T00:00:00Z The FBI reported finding hand-drawn schematics and component parts of a destructive device at Climo’s home in August, including flammable liquids, oxidizing agents and circuit boards, according to a criminal complaint. Las Vegas man faces weapons charge in synagogue, other plots 2019-09-17T04:00:00Z When he was arrested, authorities found hand-drawn schematics and component parts of a destructive device, including flammable liquids, oxidizing agents and circuit boards. Las Vegas security guard arrested for plot to bomb synagogue or LGBTQ bar 2019-08-10T04:00:00Z Fish and Game also plans to use an oxidizing agent to neutralize the rotenone before it reaches the river. Soldotna Creek targeted for summer pike eradication 2016-03-28T04:00:00Z Fluorine and oxygen are the strongest oxidizing agents within their respective groups; each oxidizes all the elements that lie below it in the group. Chemistry 2019-02-14T00:00:00Z Thriving in environments that lacked oxygen, they relied on compounds such as carbon dioxide, sulfur-containing molecules or iron minerals that act as oxidizing agents to break down food. What sparked the Cambrian explosion? 2016-02-15T05:00:00Z Hydrogen peroxide is a clear, colorless, noncombustible liquid and a powerful oxidizing agent, according to the Agency for Toxic Substances and Disease Registry. Evacuation lifted after chemical spill at Washington state port 2015-01-29T05:00:00Z Activated charcoal is created when carbon is treated with an oxidizing agent, resulting in a superfine dust with millions of pores and an immense surface area. Should You Try the Charcoal Detox Diet? 2014-10-08T04:00:00Z As a food additive, azodicarbonamide is used as a flour bleaching agent and as an oxidizing agent in dough to improve its performance for bakers. Hundreds of foods in U.S. contain 'ADA' plastics chemical: report 2014-02-27T05:05:42Z Within any period, the strongest oxidizing agent is in group 17. Chemistry 2019-02-14T00:00:00Z The company, through its more-profitable specialty chemicals segment, is the sole U.S. domestic supplier of AP, a chemical used as an oxidizing agent in composite solid fuels for rockets and booster motors. TEXT-S&P revises American Pacific Corp outlook to positive 2012-06-08T18:07:53Z A yellowish crystalline substance, C6H5.CO.CO.C6H5, formed from benzoin by the action of oxidizing agents, and consisting of a doubled benzoyl radical. Webster's Unabridged Dictionary (2nd 100 Pages) 2012-03-24T02:00:19.387Z A little nitre or saltpetre is used as an oxidizing agent. British Manufacturing Industries Pottery, Glass and Silicates, Furniture and Woodwork. 2012-02-26T03:00:18.883Z Ferric oxide gives a yellow colour, but requires the presence of an oxidizing agent to prevent 87 reduction to the ferrous state. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 1 "Gichtel, Johann" to "Glory" 2012-01-11T03:00:20.463Z The stronger a nonmetal is as an oxidizing agent, the more difficult it is to oxidize the anion formed by the nonmetal. Chemistry 2019-02-14T00:00:00Z These two, it is well known, when properly mixed in certain proportions with the oxidizing agent nitre, constitute gunpowder; and gunpowder plays an important part in the construction of most fireworks. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 4 "Finland" to "Fleury, Andre" 2011-03-20T02:00:30.697Z Chromates.—The alkaline chromates are usually obtained by fusion of a chromium compound with an alkaline carbonate and an oxidizing agent, such for example as potassium nitrate or chlorate. Encyclopaedia Britannica, 11th Edition, Volume 3, Slice 7 "Bible" to "Bisectrix" 2010-12-20T17:12:05.780Z Anthraquinone crystallizes in yellow needles or prisms, which melt at 277� C. It is soluble in hot benzene, sublimes easily, and is very stable towards oxidizing agents. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 2 "Anjar" to "Apollo" Oxidations.—When the hexoses are oxidized they give rise to three different types of acids, depending upon the conditions of the oxidation and the kind of oxidizing agent used. The Chemistry of Plant Life The sulfur in H2S usually oxidizes to elemental sulfur, unless a large excess of the oxidizing agent is present. Chemistry 2019-02-14T00:00:00Z Every composition must contain at least one sample of each class: usually there are present more than one oxidizable substance, and very often more than one oxidizing agent. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 4 "Finland" to "Fleury, Andre" 2011-03-20T02:00:30.697Z There is also present a residue which is readily broken down by oxidizing agents, and indeed by simple hydrolysis, to acetic acid. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 5 "Cat" to "Celt" The acid in question, although a derivative of benzene, is most economically prepared by the oxidation of certain derivatives of naphthalene which, when completely broken down by energetic oxidizing agents, furnish the acid. Coal and What We Get from It It is an active reducing agent, being itself easily oxidized to a variety of different products depending upon the strength of the oxidizing agent used and the conditions of the experiment. The Chemistry of Plant Life Hydrogen bromide and hydrogen iodide cannot be prepared using sulfuric acid because this acid is an oxidizing agent capable of oxidizing both bromide and iodide. Chemistry 2019-02-14T00:00:00Z The concentrated solution is a powerful oxidizing agent; organic matter being oxidized so rapidly that it frequently inflames. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 3 "Chitral" to "Cincinnati" The oxidizing agent in commonest use is copper oxide, which must be freshly ignited before use on account of its hygroscopic nature. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" The nitrobenzene acts only as an oxidizing agent; the amido-group of the aniline is converted into a group containing carbon, hydrogen, and nitrogen, i.e. the pyridine group. Coal and What We Get from It The latter salt, in the presence of the acid, is an oxidizing agent, and, when applied to the image, produces silver oxide, which with the excess of acetic acid forms silver acetate.” Spawn of the Comet However, it is possible to prepare both hydrogen bromide and hydrogen iodide using an acid such as phosphoric acid because it is a weaker oxidizing agent. Chemistry 2019-02-14T00:00:00Z It is a very powerful oxidizing agent; wood and paper in contact with the acid inflame with explosive violence. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 3 "Chitral" to "Cincinnati" Bromine finds a considerable use in chemistry as an oxidizing agent, in separating gold from other metals, and in manufacturing disinfectants, bromine salts, and aniline colors. The Economic Aspect of Geology Methyl violet discovered; manufactured in 1866; leading to a new use of copper salts as oxidizing agents, and to the manufacture of dimethylaniline. Coal and What We Get from It These substances act as reducing or oxidizing agents. Practical Mechanics for Boys Nitric oxide acts both as an oxidizing agent and as a reducing agent. Chemistry 2019-02-14T00:00:00Z It also finds an extensive use in organic chemistry as a substituting and oxidizing agent, as well as for the preparation of addition compounds. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 3 "Chitral" to "Cincinnati" When manganese dioxide is fused with an alkali and an oxidizing agent a green compound is formed. An Elementary Study of Chemistry Combining oxidizing agent with reducing agents releases heat. Invaders from the Infinite It is used as an antiseptic and oxidizing agent. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary" It is both a strong oxidizing agent and a strong acid. Chemistry 2019-02-14T00:00:00Z Bromine is used extensively in organic chemistry as a substituting and oxidizing agent and also for the preparation of addition compounds. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" When alcohols are treated with certain oxidizing agents two hydrogen atoms are removed from each molecule of the alcohol. An Elementary Study of Chemistry It is used as an oxidizing agent and for absorbing sulphurous oxide. A Text-book of Assaying: For the Use of Those Connected with Mines. Wolff has converted this alcohol by oxidizing agents into cinnamic acid. The Art of Perfumery And Methods of Obtaining the Odors of Plants Nitrous acid is an active oxidizing agent with strong reducing agents, and strong oxidizing agents oxidize it to nitric acid. Chemistry 2019-02-14T00:00:00Z It is a powerful oxidizing agent, and it converts sulphurous into sulphuric acid. Scientific American Supplement, No. 829, November 21, 1891 This compound can be made by treating an acid solution of green vitriol with an oxidizing agent. An Elementary Study of Chemistry It is chiefly used as an oxidizing agent in volumetric work, being sharp in its reactions and easily detected in minute quantities. A Text-book of Assaying: For the Use of Those Connected with Mines. In the oxidation processes of volumetric analysis standard solutions of oxidizing agents and of reducing agents take the place of the acid and alkali solutions of the neutralization processes already studied. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes Sodium chlorite finds an extensive application in the bleaching of paper because it is a strong oxidizing agent and does not damage the paper. Chemistry 2019-02-14T00:00:00Z It is a most powerful oxidizing agent, and is decomposed with more or less rapidity, by almost all the metals, to which it yields a portion of its oxygen. American Hand Book of the Daguerreotype Potassium dichromate finds use in many industries as an oxidizing agent, especially in the preparation of organic substances, such as the dye alizarin, and in the construction of several varieties of electric batteries. An Elementary Study of Chemistry It is much used as an oxidizing agent. A Text-book of Assaying: For the Use of Those Connected with Mines. The important oxidizing agents employed in volumetric solutions are potassium bichromate, potassium permangenate, potassium ferricyanide, iodine, ferric chloride, and sodium hypochlorite. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes All of the halic acids are strong acids and very active oxidizing agents. Chemistry 2019-02-14T00:00:00Z It is a powerful oxidizing agent; hence its use in the galvanic battery, for which purpose it is mostly used by the Daguerreotypist. American Hand Book of the Daguerreotype It is readily attacked by chlorine but not by oxidizing agents. An Elementary Study of Chemistry It is used in the dry way as an oxidizing agent. A Text-book of Assaying: For the Use of Those Connected with Mines. Nitric acid also aids as an oxidizing agent in supplying oxygen for the combustion of the carbon. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes Chlorine is a stronger oxidizing agent than bromine. Chemistry 2019-02-14T00:00:00Z The destruction by oxidizing agents of the effect produced by light was then experimentally demonstrated, and photographs of the spectrum showed that this effect was increased by the action of light itself. Scientific American Supplement, No. 392, July 7, 1883 Most oxidizing agents are without action upon it, and in general it is not an active element. An Elementary Study of Chemistry Phosphides are converted into phosphates by the action of nitric acid or other oxidizing agents. A Text-book of Assaying: For the Use of Those Connected with Mines. From the following data, calculate the ratio of the nitric acid as an oxidizing agent to the tetroxalate solution as a reducing agent: 1 cc. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes The easier it is to oxidize the halide ion, the more difficult it is for the halogen to act as an oxidizing agent. Chemistry 2019-02-14T00:00:00Z When mixed with acids, it is a valuable oxidizing agent. Scientific American Supplement, No. 401, September 8, 1883 It is a hard, brittle, black substance which is valuable as an oxidizing agent. An Elementary Study of Chemistry Silicon is readily converted into silica by the action of oxidizing agents. A Text-book of Assaying: For the Use of Those Connected with Mines. Assuming the acid used as oxidizing agent was reduced to NO in every case, calculate the weight of the brass and the cubic centimeters of acid used as acid. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes Although it is a strong oxidizing agent, chlorine is less active than fluorine. Chemistry 2019-02-14T00:00:00Z It is one of the most powerful oxidizing agents known, and it doesn't even melt the rest of the steel surface. The Ear in the Wall On friction the phosphorus is ignited, the combustion being sustained by the oxidizing agent and communicated to the wood by the burning paraffin. An Elementary Study of Chemistry "Let us see what an oxidizing agent will do," he remarked. The War Terror This O it gives up to some other substances, and thus becomes indirectly an oxidizing agent. An Introduction to Chemical Science It forms compounds with the group oxidation state of 5+ only when treated with strong oxidizing agents. Chemistry 2019-02-14T00:00:00Z The only practical method for the preparation consists in the oxidation of p-nitrotoluene, although for this purpose various oxidizing agents are used. Organic Syntheses Sulphuric acid contains a large percentage of oxygen and is, like nitric acid, a very good oxidizing agent. An Elementary Study of Chemistry It is the weakest oxidizing agent, and the iodide ion is the most easily oxidized halide ion. Chemistry 2019-02-14T00:00:00Z NO is thus called a carrier of O. It is a reducing agent, while NO2 is an oxidizing agent. An Introduction to Chemical Science N2O is a strong oxidizing agent that decomposes when heated to form nitrogen and oxygen. Chemistry 2019-02-14T00:00:00Z The interhalogens react like their component halides; halogen fluorides, for example, are stronger oxidizing agents than are halogen chlorides. Chemistry 2019-02-14T00:00:00Z They decompose very easily and are good oxidizing agents. An Elementary Study of Chemistry Identify the oxidizing agent, the reducing agent, and the changes in oxidation number that occur in the reaction. Chemistry 2019-02-14T00:00:00Z Ozone is a powerful oxidizing agent, and will change S, P, and As into their ic acids. An Introduction to Chemical Science Hot, concentrated sulfuric acid is an oxidizing agent. Chemistry 2019-02-14T00:00:00Z It is an oxidizing agent in rocket engines. Chemistry 2019-02-14T00:00:00Z These properties should make it a good oxidizing agent, and we find that this is the case. An Elementary Study of Chemistry Oxygen is the final oxidizing agent in these reactions. Chemistry 2019-02-14T00:00:00Z Nitric acid finds extensive use in the laboratory and in chemical industries as a strong acid and strong oxidizing agent. Chemistry 2019-02-14T00:00:00Z Fluorine is the most powerful oxidizing agent of the known elements. Chemistry 2019-02-14T00:00:00Z Sodium chlorate is a weed killer; potassium chlorate is used as an oxidizing agent. Chemistry 2019-02-14T00:00:00Z Chemically, nitrous oxide is remarkable for the fact that it is a very energetic oxidizing agent. An Elementary Study of Chemistry However, its reactions as an oxidizing agent are slow when perchloric acid is cold and dilute. Chemistry 2019-02-14T00:00:00Z These acids are strong oxidizing agents and react with bases to form the appropriate salts. Chemistry 2019-02-14T00:00:00Z Fluorine is such a strong oxidizing agent that many substances ignite on contact with it. Chemistry 2019-02-14T00:00:00Z Its chief use is as an oxidizing agent. An Elementary Study of Chemistry The chief use of potassium chlorate is as an oxidizing agent in the manufacture of matches, fireworks, and explosives; it is also used in the preparation of oxygen and in medicine. An Elementary Study of Chemistry It is stable in the air, and when heated is a good oxidizing agent, giving up oxygen quite readily. An Elementary Study of Chemistry Solutions of hydrogen dioxide are used largely as oxidizing agents. An Elementary Study of Chemistry The chemical properties of bromine are similar to those of chlorine, although bromine is the weaker oxidizing agent and its reactivity is less than that of chlorine. Chemistry 2019-02-14T00:00:00Z That substance which gives up its oxygen is called an oxidizing agent, while the substance which unites with the oxygen is called a reducing agent. An Elementary Study of Chemistry When a chromium compound is fused with an alkali and an oxidizing agent a chromate is produced. An Elementary Study of Chemistry As a rule, however, changes of this kind are brought about by the use of an oxidizing agent, and are called oxidations. An Elementary Study of Chemistry It is a brown powder which easily gives up a part of its oxygen and, like manganese dioxide and barium dioxide, is a good oxidizing agent. An Elementary Study of Chemistry |
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