Cyanide, a highly toxic chemical, has been the most widely used reagent for extracting gold from ore for the past century.
cyanide | Between Silk and Cyanide: A Codemaker's Story 1941-1945 | Potassium cyanide | Cyanide poisoning | Between Silk and Cyanide | Sodium cyanide | potassium cyanide | Cyanide and Happiness | Cyanide |
No additional contaminated fruit was found, but the United States Food and Drug Administration banned the import of Chilean fruit and warned people not to eat grapes or Chilean fruit despite the fact investigators found no traces of cyanide in any other fruit shipped from Chile to Philadelphia.
Furthermore, Yousef is said only to have considered adding cyanide to the bomb, and to have regretted not doing so in Peter Lance's book 1000 Years for Revenge.
A year later, another cyanide spill occurred in Romania, this time being a deliberate emptying of cyanide solutions into the Siret River.
The Colombo Judicial Medical Officer Dr. L.B. De Alwis, held a post mortem and recorded the cause of the death of Athulathmudali as fatal firearm wounds to the liver, heart and lungs and cause of the death of slain Tamil youth identified as Appiah Balakrishnan alias Ragunathan as cyanide poisoning.
•
The commission also concluded that evidence gathered suggests that cyanide was administered to him forcibly, not that he bit the cyanide capsule himself.
Gay-Lussac coined the word "cyanogène" from the Greek words κυανός (kyanos, blue) and γεννάω (gennao, I create), because cyanide was first isolated by the Swedish chemist Carl Wilhelm Scheele from the pigment "Prussian blue".
Rhodanese catalyzes the irreversible reaction forming thiocyanate from cyanide and sulfane which is non-toxic and can be excreted through the urine.
In 1962 it was claimed that assassin Bogdan Staschynski said that he had killed Borynski using a cyanide spray, and buried his body on Ilkley Moor.
Harvey is also notable for having used numerous methods to kill, such as arsenic; cyanide; insulin; suffocation; miscellaneous poisons; morphine; turning off ventilators; administration of fluid tainted with hepatitis B and/or HIV (which resulted in a hepatitis infection, but no HIV infection, and illness rather than death); insertion of a coat hanger into a catheter, causing an abdominal puncture and subsequent peritonitis.
Finally Paco stopped the car...and said, "I took the pill (cyanide) and I already feel sick." Ahualli remembers that Lucía said, "But papi, why did you do that?" Ahualli escaped between the bullets and arrived wounded to Buenos Aires, days later.
On December 28, 1938, Askins—then a 19-year old student and member of the science club at Miner Teachers College—served cyanide-laced whiskey to five prostitutes at a brothel, resulting in the death of 31-year old Ruth McDonald.
The solubility of gold in a water and cyanide solution was known by 1783 (Scheele), by Bagration in 1843 and Elsner in 1846 who recognized the necessity of oxygen in the process, (a method of exctraction by chlorination (Plattner) considered during 1848 proved uneconomical) this prior to the discovery of an economical method of treatment with potassium cyanide by J.S. MacArthur (with R. and, or, W. Forrest).
In November 2008 Dann, with members of the Western Shoshone Defense Project and four other tribal and public interest groups, sued in federal court against the US and Canadian Barrick Gold, seeking an injunction to stop the "largest open pit cyanide heap leach gold mines in the United States - the Cortez Hills Expansion Project on Mt. Tenabo," which the Western Shoshone consider sacred land.
2003: In one of the largest domestic War on Terror investigations in the United States since the Oklahoma City bombing, William Krar and Judith Bruey were arrested and authorities seized nearly two pounds of cyanide, half a million rounds of ammunition, and a variety of bombs and other weapons.
Unlike the Strecker and Ugi syntheses, the Petasis reaction avoids the use of cyanide and isocyanide reagents.
A number of prominent persons were killed or committed suicide using potassium cyanide, including members of the Young Bosnia and members of the Nazi Party, such as Hermann Göring and Heinrich Himmler, World War II era British agents (using purpose-made suicide pills), computer scientist Alan Turing, and various religious cult suicides such as by the Peoples Temple and Heaven's Gate.
The name is a malapropism of Zyklon B, the trade name of a cyanide-based pesticide invented in the early 1920s and infamous for its later use by Nazi Germany to kill human beings in gas chambers of extermination camps during the Holocaust.
His brother James Scott Maclaurin (1864–1939) was a noted chemist, who invented the Cyanide process for extracting gold.
It is the first movie ever to be shot outside the Bharat Gold Mines Limited cyanide dumps at Kolar Gold Fields.
In 2004 Barrick Gold is undertaking gold mining 43 km west at Lake Cowal through the process of in situ cyanide leaching, a variant of the controversial process of Gold cyanidation.