potassium cyanide

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  • noun

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a poisonous salt (KCN) used in electroplating and in photography

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In order to provide the cyanohydrins, first sulfonic is produced which is a sediment and then by adding potassium cyanide to the sulfonic compound, the nitrile group is replaced and the compound of 4-t-butyl-2-(Npiperidinomethyl)cyanocyclohexane is obtained which had active optical chiral centers and is a new analog of active optical cyanohydrin family.
The potassium cyanide containers are understood to have been clearly marked as containing toxic substances.
Potassium cyanide is used in the jewellery industry to clean jewellery.
Dr Emyr Owen told the inquest his post-mortem examination revealed coronary and respiratory failure brought on by the ingestion of potassium cyanide.
C -- During operations near the Iraqi city of Fallujah, ground forces came across bottles full of potassium cyanide and sodium cyanide in an insurgent safe home.
The grown bacteria are allowed to metabolize a mixed gas, prepared by adding hydrogen to at least one of coal gas and biogas, into methane and at the same time, cobalamin contained in the fermented liquor is recovered as an extracellular product in the form of cyanocobalamin by using potassium cyanide to thereby produce vitamin B12 efficiently in a high content and high yield.
The 100g pots of potassium cyanide ( all of them clearly labelled ( were taken from a locked store cupboard at premises in Halesfield in Telford, Shropshire
On the other hand, potassium cyanide is, but is not listed.
If algae in drinking water are exposed to a poison such as potassium cyanide, methyl parathion, or the herbicides Diuron or Paraquat, the algae become unhealthy," said Greenbaum.
The dam will also trap mine tailings containing gold, copper, zinc, lead, nickel, iron, manganese, cadmium, selenium, molybdenum, arsenic, mercury and potassium cyanide.
Re-plating is a reliable, yet complicated, process requiring a considerable amount of setup, special chemistries that are hazardous (such as potassium cyanide solution) and, in general, a high level of operator skill and training.
4, was prepared by dissolving potassium ferricyanide (200 mg), potassium cyanide (50 mg), and potassium dihydrogen phosphate (140 mg) in distilled water, making the volume up to 1 liter, and mixing after the addition of 0.
Hydrogen cyanide, sodium cyanide, and potassium cyanide are the forms of cyanide most likely to be in the environment as a result of industrial activities.
Four of the chemicals are classified as extremely hazardous: nitric acid, potassium cyanide, sodium cyanide, and sulfuric acid.