| 单词 | potassium cyanide |
| 例句 | Later that year, Assing killed herself in a Paris park — drinking potassium cyanide — leaving her beloved a tidy sum in her will. Frederick Douglass in Full 2018-11-05T05:00:00Z After she survived, Craig ordered a rush shipment of potassium cyanide that he told the supplier was needed for a surgery, according to court documents. Dentist accused of killing wife by poisoning her protein shakes set to enter a plea to charges 2023-08-28T04:00:00Z Police said he lured his victims to his house for a daytime ritual, where he would then feed them drinks mixed with potassium cyanide and a sedative. Indonesia shaman accused of killing at least 12 people 2023-04-06T04:00:00Z Perkovich said a discrepancy between the potassium cyanide obtained by corrections officials and the sodium cyanide called for under state execution protocol "is not a small detail." Arizona to go forward with executions using the same gas the Nazis used at Auschwitz 2021-06-02T04:00:00Z The department bought a solid brick of potassium cyanide in December for $1,530. Senate Republicans expected to defeat Capitol attack commission bill – live 2021-05-28T04:00:00Z Vigilant viewers will soon observe that Greta, though hospitable, is about as kindly as potassium cyanide. The Genius of Julianne Moore in “Gloria Bell” 2019-03-01T05:00:00Z The arrest affidavit said that the investigation into Craig started after his dental practice partner mentioned to a nurse that Craig had ordered potassium cyanide even though they didn’t need it for their work. Dentist accused of killing wife by poisoning her protein shakes set to enter a plea to charges 2023-08-28T04:00:00Z Slobodan Praljak committed suicide Nov. 29 last year, proclaiming his innocence and then drinking from a small bottle containing potassium cyanide. Probe fails to unravel mystery of Croat's courtroom suicide 2018-11-02T04:00:00Z Slobodan Praljak took his own life Nov. 29 last year, proclaiming his innocence and then drinking from a small bottle containing potassium cyanide. Probe fails to unravel mystery of Croat’s courtroom suicide 2018-11-02T04:00:00Z When a student tragically kills himself in the novel, he is described as “considerate” because he left his flatmates a note on his body: “Danger: potassium cyanide. Do not resuscitate.” Summer reads: Darwin’s dilemma on sexual selection, ecology versus empire, and the dark side of the greater good 2018-07-17T04:00:00Z He said the two communicated about the most effective way to take the potassium cyanide, a lethal, colorless salt. US man who mailed cyanide to suicidal Briton sentenced to 25 years in prison 2018-05-22T04:00:00Z University of Montana officials did not immediately return calls Thursday seeking to learn how the lab used potassium cyanide and how police learned it was missing. Missoula officers searching for cyanide missing from UM lab 2018-03-08T05:00:00Z He says it was determined the man had taken a mixture of salt and potassium cyanide. The Latest: Police: Man drank cyanide during freeway chase 2018-02-21T05:00:00Z He’s accused of taking about a cup of potassium cyanide from the Merck & Co. facility in Montgomery County in December. This week in odd news: Pizza stalker and the stolen thumb 2018-02-15T05:00:00Z Preliminary results released following an autopsy showed the Bosnian Croat commander died from heart failure after swallowing potassium cyanide during a court hearing that was broadcast live around the world. Hague poisoning: Bosnian Croat general's cyanide impossible to detect – inquiry 2017-12-31T05:00:00Z With Dutch police opening their own investigation, the tribunal has appointed Gambia’s chief justice Hassan Jallow to find out how Praljak, 72, obtained the bottle of potassium cyanide that Netherlands prosecutors said killed him. Security clampdown at The Hague amid fears of further suicides 2017-12-02T05:00:00Z Initial results from a toxicological test revealed “a concentration of potassium cyanide” in Slobodan Praljak’s blood, prosecutors in The Hague said. World Digest: Dec. 1, 2017 2017-12-01T05:00:00Z On Friday, Dutch prosecutors said Praljak died after taking potassium cyanide, citing the results of a preliminary postmortem. Slobodan Praljak's suicide reopens old wounds in Bosnia 2017-12-02T05:00:00Z A co-worker witnessed him pouring potassium cyanide into a beaker and then into a Nalgene water bottle on Dec. 14, then leaving the building, according to a release from District Attorney Kevin Steele. This week in odd news: Pizza stalker and the stolen thumb 2018-02-15T05:00:00Z Authorities say Camuti gave Rakes an iced coffee laced with potassium cyanide so he couldn’t collect on a debt, and dumped his body. Man sentenced in 2013 poisoning of alleged Bulger victim 2017-04-27T04:00:00Z It exists in two states: as the colorless gases hydrogen cyanide and cyanogen chloride or in crystal form as sodium cyanide or potassium cyanide. How Black-Market Poison Is Helping Poachers Kill Animals 2015-11-24T05:00:00Z Stuart Lody, prosecuting, said: "There is no evidence whatsoever that cyanide was ever used. "The defendant sent photographs of pumpkins being injected with a substance and articles about potassium cyanide obtained from the internet. Pumpkin cyanide blackmailer Michael Young jailed - BBC News 2015-09-26T04:00:00Z The cyanide used in the L-pill was potassium cyanide but the properties of sodium cyanide are nearly identical. How Dangerous Is the Sodium Cyanide at the Tianjin Explosion Site 2015-08-18T04:00:00Z Before the crash Lubitz searched on the Internet in March for ways of getting hold of the toxic compound potassium cyanide, tranquilizer valium and lethal combinations of medicines. Tears in Barcelona at funeral for Germanwings crash victim 2015-06-20T04:00:00Z He is accused of sending potassium cyanide to Andrew Denton of Hull, England. Man charged with mailing cyanide denied bail 2014-12-08T05:00:00Z According to court records, a search of the family’s home found the poison potassium cyanide, traces of blood in a freezer and bathtub, and a large kitchen knife and a handsaw in a dishwasher. No verdict in trial of man accused of killing mom 2014-11-07T05:00:00Z Officials say a chemist under contract with Barr Laboratories was pouring 50 milligrams of powdered potassium cyanide into a liquid solution when the mixture boiled over and splashed on his face. 3 hurt in chemical spill at NY laboratory 2014-07-09T04:00:00Z As with the very similar potassium cyanide used in the L-pill, sodium cyanide is extremely toxic to humans. How Dangerous Is the Sodium Cyanide at the Tianjin Explosion Site 2015-08-18T04:00:00Z Ms. Gu admitted pouring potassium cyanide down his throat. China’s Security Ministry Suspected Neil Heywood, Slain British Businessman, Was a Spy 2012-11-06T15:20:06Z A quantity of potassium cyanide was also recovered nearby in Pillowell. Man, 18, charged with acid theft 2012-09-17T08:00:52Z Potash solution converts it into a mixture of potassium cyanide and cyanate. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 8 "Cube" to "Daguerre, Louis" 2012-01-31T03:00:17.257Z Some time before I had come into possession of quite a quantity of potassium cyanide; I won't say how--I had. A Master of Deception 2011-11-30T03:00:12.357Z Alternatively, if potassium be brought into combination with it, there results potassium cyanide, which, with the assistance of water and oxygen, can dissolve gold. Marvels of Scientific Invention An Interesting Account in Non-technical Language of the Invention of Guns, Torpedoes, Submarine Mines, Up-to-date Smelting, Freezing, Colour Photography, and many other recent Discoveries of Science 2011-11-19T03:00:24.517Z By the cyanide process, i.e. dissolving the gold in potassium cyanide solution, and then precipitating the metal; 5. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 2 "Gloss" to "Gordon, Charles George" 2011-10-31T02:00:28.703Z The Tylenol case involved the use of potassium cyanide and resulted in a mass recall. General Ratko Mladic arrested in Serbia 2011-05-26T11:17:00Z The F.B.I. “wanted a sample of my DNA to compare with some partial DNA profiles connected with a 1982 event in which someone put potassium cyanide in Tylenol,” Mr. Kaczynski wrote. F.B.I. Is Looking at Unabomber in ?82 Tylenol Case 2011-05-19T19:50:05Z For this reason the acid copper-bath is not used for iron or zinc objects, a bath containing copper cyanide or oxide dissolved in potassium cyanide being substituted. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 2 "Ehud" to "Electroscope" 2011-01-29T03:00:23.777Z But they also expose the pressures faced by the Bajau to adopt economical but environmentally destructive fishing techniques, like using potassium cyanide. Lens: The Seafaring Nomads of Asia 2011-01-03T15:50:21Z It may be noticed that the potassium zinc cyanide is useless in gold extraction, for it neither dissolves gold nor can potassium cyanide be regenerated from it. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 2 "Gloss" to "Gordon, Charles George" 2011-10-31T02:00:28.703Z The potassium cyanide solution is standardized by dissolving 0.5 gramme of pure copper in 5 cc. of nitric acid, diluting, adding 10 cc. of ammonia, and titrating exactly as described above. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 7 "Arundel, Thomas" to "Athens" Sometimes the reduction is made easier by adding to the substance about its own bulk of potassium cyanide, KCN, which takes up oxygen from the compound and is converted into potassium cyanate, KCNO. The Elements of Blowpipe Analysis Grease must be removed by potash, whiting or other means, and tarnish by an acid or potassium cyanide, washing in plenty of water being resorted to after each operation. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 2 "Ehud" to "Electroscope" 2011-01-29T03:00:23.777Z It is insoluble in dilute acids, but is readily soluble in excess of potassium cyanide. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5 "Clervaux" to "Cockade" This salt is prepared by precipitating a solution of gold in aqua regia by ammonia, and then introducing the well-washed precipitate into a boiling solution of potassium cyanide. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 2 "Gloss" to "Gordon, Charles George" 2011-10-31T02:00:28.703Z Filter from the bismuth hydrate, and if copper is present, add potassium cyanide till the colour is destroyed, then pass sulphuretted hydrogen, and cadmium is precipitated as the yellow sulphide. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" A cyanide jar for killing insects; note the lumps of the deadly poison potassium cyanide in the bottom covered and sealed by a layer of plaster of Paris. An Elementary Study of Insects Thus the cell—copper | potassium cyanide solution | potassium sulphate solution—zinc sulphate solution | zinc—gives a current which carries copper into solution and deposits zinc. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 2 "Ehud" to "Electroscope" 2011-01-29T03:00:23.777Z The most convenient solution for general purposes is an 8 to 10 per cent solution of the double cyanide of silver and potassium together with 1 or 2 per cent of "free" potassium cyanide. On Laboratory Arts The addition of potassium cyanide has been suggested to assist the amalgamation and to prevent “flouring,” but Skey has shown that its use is attended with loss of gold. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 2 "Gloss" to "Gordon, Charles George" 2011-10-31T02:00:28.703Z If wrought iron, put in the charge 20 parts, by weight, of common salt, 2 parts of potassium cyanide, .3 part of potassium bichromate, .15 part of broken glass. Practical Mechanics for Boys May be killed by chloroform, or potassium cyanide, or drowned. Text Book of Biology, Part 1: Vertebrata When gold is dissolved in a solution of potassium cyanide, and the solution electrolyzed, the gold is deposited in very pure condition on the cathode. An Elementary Study of Chemistry The cyanide plating solution will itself give a good coat of silver if it is used boiling, and if a little potassium cyanide be added. On Laboratory Arts An alkaline solution of potassium cyanide, to which a little potassium iodide has been added, can be assayed for its strength in cyanide by titrating with a standard solution of silver nitrate. A Text-book of Assaying: For the Use of Those Connected with Mines. Ordinary potassium cyanide requires slightly warming in order to start the combustion. Scientific American Supplement, No. 832, December 12, 1891 The separation of copper from cadmium being difficult and laborious, and the volumetric estimation with potassium cyanide not practicable, it is not prudent to apply this method. Scientific American Supplement, No. 455, September 20, 1884 This process depends upon the fact that gold is soluble in a solution of potassium cyanide in the presence of the oxygen of the air. An Elementary Study of Chemistry They are then dipped for a moment in a boiling solution of potassium cyanide. On Laboratory Arts The determination of metallic antimony in an ore is made either by fusion with potassium cyanide or by fusion with iron, as in the galena assay. A Text-book of Assaying: For the Use of Those Connected with Mines. These projects involve items such as gunpowder, acetylene, hydrogen, lead, mercury, sulfuric acid, nitric acid, cadmium, potassium sulfate, potassium cyanide, potassium ferrocyanide, copper sulfate, and hydrochloric acid. The Boy Mechanic: Volume 1 700 Things for Boys to Do An important nucleus-synthetic reaction is the saponification of nitriles, which may be obtained by the interaction of potassium cyanide with a halogen substitution derivative or a sulphonic acid. The Project Gutenberg Encyclopedia Volume 1 of 28 A solution of potassium cyanide turns red litmus blue, and must therefore contain hydroxyl ions. An Elementary Study of Chemistry This is a sign that the bath is deficient in potassium cyanide. On Laboratory Arts Fusion with potassium cyanide at a temperature just sufficient to melt the salt reduces it to the metal which falls to the bottom and runs into a globule. A Text-book of Assaying: For the Use of Those Connected with Mines. Having finished washing the precipitate, slowly add to it a solution of potassium cyanide until all the precipitate is dissolved. The Boy Mechanic: Volume 1 700 Things for Boys to Do Always use 98 to 100 per cent pure potassium cyanide and a good grade of commercial sulfuric acid. Manual of Gardening (Second Edition) Might you not have used potassium cyanide or prussiate of potash? The Darrow Enigma The cheaper sodium cyanide is just as satisfactory as the potassium cyanide and therefore is the best material to use. Organic Syntheses As already explained it is customary to report the cyanide-strength in terms of potassium cyanide, even when only the sodium salt is present. A Text-book of Assaying: For the Use of Those Connected with Mines. Then add an excess of potassium cyanide—about as much as was used in dissolving the precipitate—and make the solution up to 1 qt. with water. The Boy Mechanic: Volume 1 700 Things for Boys to Do Weigh out the potassium cyanide in paper bags, and place them near the jars. Manual of Gardening (Second Edition) If the lead gives dross on heating it may be melted under 10 or 20 grams of potassium cyanide, which prevents the formation of dross. A Text-book of Assaying: For the Use of Those Connected with Mines. It will be seen from the equation that 170 parts by weight of silver nitrate are required for 130 parts by weight of potassium cyanide. A Text-book of Assaying: For the Use of Those Connected with Mines. It became customary to express the quality of a sample of commercial cyanide by saying it contained so much per cent. of potassium cyanide. A Text-book of Assaying: For the Use of Those Connected with Mines. Add slowly a strong solution of potassium cyanide until the blue color disappears, leaving a clear solution; add potassium cyanide again, about one-fourth as much in bulk as used in the decolorizing process. The Boy Mechanic: Volume 1 700 Things for Boys to Do In nurseries, after the trees are dug, fumigate with hydrocyanic acid gas, using 1 oz. of potassium cyanide for every 100 cu. ft. of space. Manual of Gardening (Second Edition) One gram of potassium cyanide will require 1.3076 gram of silver nitrate. A Text-book of Assaying: For the Use of Those Connected with Mines. Cobalt hydrate takes up oxygen from the air, and on adding potassium cyanide some may refuse to dissolve; and the solution itself acquires a brown colour, which becomes deeper on standing. A Text-book of Assaying: For the Use of Those Connected with Mines. If this has to be reported it is best done as "prussic acid equivalent to ... per cent. of potassium cyanide." A Text-book of Assaying: For the Use of Those Connected with Mines. Spray with kerosene emulsion or whale-oil soap; or if infesting cucumbers or tomatoes, fumigate over night with hydrocyanic acid gas, using 1 oz. of potassium cyanide to each 1000 cu. ft. of space. Manual of Gardening (Second Edition) |
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