| 单词 | carbon tetrachloride |
| 例句 | The agency moved to ban asbestos last year and has also proposed banning methylene chloride, perchloroethylene and carbon tetrachloride. EPA proposes banning cancer-causing chemical used in automotive care and other products 2023-10-23T04:00:00Z That includes the likely next up, perchloroethylene, a solvent used for cleaning and degreasing, and carbon tetrachloride, another solvent that is commonly used to produce other chemicals such as refrigerants. EPA proposes to ban most uses of methylene chloride, a toxic solvent 2023-04-20T04:00:00Z Iodine is soluble in chloroform, carbon tetrachloride, carbon disulfide, and many hydrocarbons, giving violet solutions of I2 molecules. Chemistry 2019-02-14T00:00:00Z However, rather than being destroyed, waste containing carbon tetrachloride is being regularly moved across Russia in trains and tanker trucks to unspecified customers, according to five local traders. Exclusive: Illegally traded chemical halted Russian oil pipeline, tests show 2019-12-18T05:00:00Z Between July and October 2018, employees in the underground nuclear waste repository were potentially overexposed to carbon tetrachloride, nitrogen dioxide and sulfur dioxide, read the notice, including a series of heat-stress incidents, officials said. Key shaft at US nuclear waste dump may be built by 2020 2019-09-02T04:00:00Z It continues to set quotas on the production, import and use of other chemicals like carbon tetrachloride, once widely used in fire extinguishers and refrigerators. China phases out 280,000 T of ozone-depleting substances in 2018:... 2019-03-19T04:00:00Z The notice says employees were potentially “overexposed” to carbon tetrachloride, nitrogen dioxide and sulfur dioxide between July and October 2018. DOE to investigate nuclear repository after alleged exposure 2019-02-25T05:00:00Z Write the Lewis structures for carbon tetrachloride and phosgene. Chemistry 2019-02-14T00:00:00Z She said Khimprom does not destroy carbon tetrachloride, but receives guarantees from customers to which it sells the chemical that it will be fully processed or destroyed as the law requires. Exclusive: Illegally traded chemical halted Russian oil pipeline, tests show 2019-12-18T05:00:00Z Based on those estimates, the authors of the the study published in May surmised that the slower decline in CFC-11 and carbon tetrachloride levels was the result of fresh emissions. Rogue chemicals threaten positive prognosis for ozone hole 2018-11-01T04:00:00Z Another rare warming gas, carbon tetrachloride, once popular as a refrigerant and a solvent but very damaging to the ozone layer, has been banned in Europe since 2002. 'Dodgy' greenhouse gas data threatens Paris accord - BBC News 2017-08-07T04:00:00Z Substitute chlorine atoms for all of the hydrogen atoms, and the result is carbon tetrachloride, the familiar cleaning fluid. Silent Spring—I 2017-01-03T05:00:00Z Crews will inject emulsified iron and vegetable solutions under high pressure into the ground to help remove lingering contaminants, including carbon tetrachloride. Use of fracking technology planned for groundwater cleanup 2015-07-16T04:00:00Z She died of pneumonia caused by carbon tetrachloride poisoning, according to the F.B.I. Sioux Group Asks Officials to Reopen ’70s Cases 2012-06-15T04:43:43Z This manometer, or chlorine meter, contains carbon tetrachloride and is graduated empirically in terms of weight of chlorine per unit of time. Chlorination of Water 2011-09-13T02:00:32.243Z Inside there was that peculiar, professional-cleaning-fluid smell, which is not as alarming as gasoline or carbon tetrachloride, but nevertheless discourages the idea of striking a match. The Ambulance Made Two Trips The process is carried out in exactly the same way as with the Hübl solution except that the fat is preferably dissolved in carbon tetrachloride instead of in chloroform. The Handbook of Soap Manufacture A few liquids, one of which is carbon tetrachloride, react only very slowly with fluorine at the ordinary temperature. Scientific American Supplement, No. 832, December 12, 1891 This fraction, which consists principally of alcohol, with a little carbon tetrachloride and moisture, is dried with potassium carbonate and returned to the reaction mixture. Organic Syntheses A mixture of the vapors of carbon tetrachloride and fluorine inflames spontaneously with detonation, and chlorine is liberated without deposition of carbon. Scientific American Supplement, No. 832, December 12, 1891 Notes Water, ethyl alcohol and carbon tetrachloride form a ternary mixture boiling at about 61'0. Organic Syntheses |
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