Relevant bibliographies by topics / Potassium Cyanide, chemistry

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Academic literature on the topic 'Potassium Cyanide, chemistry'

Author: Grafiati
Published: 4 June 2021
Last updated: 28 July 2025

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Journal articles on the topic "Potassium Cyanide, chemistry"

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Young, Jay A. "Potassium Cyanide." Journal of Chemical Education 80, no. 9 (2003): 998. http://dx.doi.org/10.1021/ed080p998.

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2

Connors, Richard, Elisabeth Tran, and Tony Durst. "Acyl cyanides as carbonyl heterodienophiles: application to the synthesis of naphthols, isoquinolones, and isocoumarins." Canadian Journal of Chemistry 74, no. 2 (1996): 221–26. http://dx.doi.org/10.1139/v96-024.

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Irradiation of 2-methylbenzoyl cyanide (3a) in acetonitrile solution results in the formation of its dimer, which upon loss of HCN gives rise to the cycloadduct 7a. The dimerization also proceeds efficiently with derivatives of 3a giving adducts 7b and 7c. When 2-methylaroyl cyanides are photolyzed in the presence of a more reactive acyl cyanide the mixed adducts 8a–e are obtained in excellent yields. The cycloadducts 7a–c and 8a–e react with carbon and nitrogen nucleophiles by a tandem addition–cyclization sequence furnishing substituted naphthols (10a and 10b) and isoquinolones (11a–d), resp
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3

BOUZIDA, SAMIRA, EL BACHIR BENAMAR, MANALE BATTAS, et al. "EFFECT OF POTASSIUM CYANIDE ETCHING ON STRUCTURAL, OPTICAL AND ELECTRICAL PROPERTIES OF Cu2ZnSnS4 THIN FILMS DEPOSITED BY A MODIFIED SPRAY PROCESS." Surface Review and Letters 26, no. 09 (2019): 1950053. http://dx.doi.org/10.1142/s0218625x19500537.

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We report the effect of potassium cyanide etching treatment on structural, optical and electrical properties of Cu2ZnSnS4 thin films prepared by a spray-assisted chemical vapor deposition process. Raman spectroscopy and X-ray diffraction measurements before and after potassium cyanide etching have confirmed the kesterite structure of Cu2ZnSnS4 films. Potassium cyanide treatment led to the elimination of [Formula: see text]S secondary phase. Optical measurements showed that the band gap value was about 1.52[Formula: see text]eV. The best electrical resistivity and Hall mobility values were reac
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Maranna, Manjunatha Chinnaiahnapalya, Lalgudy Mahadevan Saikrishnan, Tarur Konikkaledom Dinesh, and Kamal Kumar Tyagi. "Determination of Hydrogen Cyanide in Cigarette Smoke by Continuous Flow Analysis Method Using Safer Chemistry." Beiträge zur Tabakforschung International/Contributions to Tobacco Research 28, no. 4 (2018): 191–202. http://dx.doi.org/10.2478/cttr-2018-0018.

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SummaryA new safe and sensitive method to determine hydrogen cyanide (HCN) in cigarette smoke using continuous flow analyser (CFA) has been developed and validated. The use of highly toxic potassium cyanide (KCN) as a standard necessitates the development of a safer method for the determination of HCN in cigarette smoke. In this described method KCN is replaced by less toxic potassium tetracyanozincate (Lethal Dose LD50 oral is 7.49 mg/kg for KCN and 2000 mg/kg for potassium tetracyanozincate). Furthermore, the new method uses isonicotinic acid-barbituric acid (coupling reagent) instead of pyr
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Cao, Yu-Qing, Yun-Fei Du, and Ji-Tai Li. "A Practical and Improved Method for the Preparation of Trimethylsilyl Cyanide Catalysed by PEG400 and Zinc Iodide." Journal of Chemical Research 2003, no. 8 (2003): 500–501. http://dx.doi.org/10.3184/030823403103174704.

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The useful synthetic reagent trimethylsilyl cyanide was readily prepared in high yield by the cyanation of trimethylchlorosilane with potassium cyanide in the presence of PEG400 and zinc iodide under stirring at room temperature or ultrasonic radiation.
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6

Nay, Bastien, Valérie Arnaudinaud, Jean-François Peyrat, et al. "13C-Labelled (±±)-Catechin From Potassium [13C]Cyanide." European Journal of Organic Chemistry 2000, no. 7 (2000): 1279–83. http://dx.doi.org/10.1002/1099-0690(200004)2000:7<1279::aid-ejoc1279>3.0.co;2-d.

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7

Bhagyalakshmi, Kamasala, and Nanguneri V. Nanda Kumar. "Simple, Rapid, and Portable Chromatographic Tetrazolium Reduction Method for Detection of Potassium Cyanide in Medicinal Drugs and Confectionery." Journal of AOAC INTERNATIONAL 72, no. 3 (1989): 429–31. http://dx.doi.org/10.1093/jaoac/72.3.429.

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Abstract A simple, rapid, and portable paper chromatographic method for detection of potassium cyanide in medicinal drugs and a few confectionery samples is described. Potassium cyanide is extracted in methanol and concentrated. Acetone-water-1.5% EDTA (4 + 5.5 + 0.5) mixture is used as the solvent system for paper chromatography. The KCN chromatograms appear as pink spots on paper due to reduction of the chromogenic salt 2-(4-iodophenyl)-3-(4-nitrophenyl)-5- phenyl tetrazolium chloride; phenazonium methosulfate is a catalyst. Microgram amounts of KCN can be separated and detected in the labor
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8

Mallah, Eyad, Qutaiba Abu-Salem, Kamal Sweidan, et al. "Imidazolium Dicyanoargentates." Zeitschrift für Naturforschung B 66, no. 5 (2011): 545–48. http://dx.doi.org/10.1515/znb-2011-0517.

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New imidazolium dicyanoargentate salts were synthesized by treatment of 2-chloro-1,3-diisopropyl-4,5-dimethylimidazolium chloride (2a) with an excess of silver cyanide in acetonitrile to afford 2-chloro-1,3-diisopropyl-4,5-dimethylimidazolium dicyanoargentate (3) and its conversion into the corresponding 2-cyano-1,3-diisopropyl-4,5-dimethylimidazolium dicyanoargentate (4) by reaction with an excess amount of potassium cyanide. The crystal structures of 3 and 4 are reported
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Grundke, Caroline, and Till Opatz. "Strecker reactions with hexacyanoferrates as non-toxic cyanide sources." Green Chemistry 21, no. 9 (2019): 2362–66. http://dx.doi.org/10.1039/c9gc00720b.

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10

Li, Zheng, and Jun Xu. "Solvent-Free Synthesis of Arylsulfonyl Cyanides Using Potassium Hexacyanoferrate(II) as An Ecofriendly Cyanide Source." Phosphorus, Sulfur, and Silicon and the Related Elements 189, no. 3 (2014): 374–78. http://dx.doi.org/10.1080/10426507.2013.819870.

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Book chapters on the topic "Potassium Cyanide, chemistry"

1

Clugston, Michael, Malcolm Stewart, and Fabrice Birembaut. "Halogenoalkanes." In Making the Transition to University Chemistry. Oxford University Press, 2021. http://dx.doi.org/10.1093/hesc/9780198757153.003.0020.

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This chapter explains the concept of halogenoalkanes which have carbon-halogen bonds which are significantly polar. However, the carbon atom is partially positively charged and susceptible to a nucleophilic attack. The chapter explains that carbon-halogen bond enthalpy determines the relative rate of reaction. The three common nucleophilic substitution reactions of halogenoalkanes involve sodium hydroxide, potassium cyanide, and ammonia. Elimination is the second vital characteristic type of reaction of halogenoalkanes as it produces an alkene. The hydroxide ion is acting as the base of the co
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Saito, Naoki, Yu-ichi Koizumi, Chieko Tanaka, et al. "Isolation and Characterization of Enticing Antitumor Isoquinoline Marine Natural Products from Pretreated with Potassium Cyanide with Thai Marine Organisms." In 19th International Congress on Heterocyclic Chemistry. Elsevier, 2003. http://dx.doi.org/10.1016/b978-0-08-044304-1.50294-x.

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Gratzer, Walter. "Nemesis in Nancy." In Eurekas and euphorias. Oxford University PressNew York, NY, 2002. http://dx.doi.org/10.1093/oso/9780192804037.003.0046.

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Abstract R. W. Wood (1868-1955), Professor of Physics at Johns Hopkins University, was a leader in his field of spectroscopy, and also a noted wit and farceur. His escapades became legendary. He would alarm the dtizens of Baltimore by spitting into puddles on wet days, while surreptitiously dropping in a lump of metallic sodium, which would explode in a jet of yellow flame. He wrote clever verses, a collection of which was published as a slim volume with the title, How to Tell the Birds from the Flowers, and is still intermittently in print. It was related that when, as a young man, Wood was s
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Journal articles
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