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E-bok
PDF, Engelska, 20131 140 kr
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The discovery in 1922 of the exceptional effectiveness of tetraethyllead in suppressing knock in the combustion of gasoline in engines and its introduction as a gasoline additive in 1923 stimulated an enormous number of studies on procedures for its synthesis and industrial production, on its behavior and uses, and also on the toxicology of this compound and on its environmental impact resulting from large scale lead distribution. The results of these investigations are collected in more than 3000 papers and patents. The quantity of information on this prominent compound fills the second volume of the series on organo lead compounds. Complete literature coverage was strived for but not all of the voluminous patent data have been considered. Certain publications on production of tetraethyllead or on use as a gasoline additive that are not reported in Chemical Abstracts (C.A.) may not have been found; similarly, publications that could not be clearly identified as relevant to the subject might be missing. Publications concerning the fate of inorganic lead compounds that are products of the combustion of leaded gasoline as weil as the vast amount of related papers on analytical and toxicological studies and on health and environmental aspects have been deliberately omitted. The literature is covered through 1988; C.A. has been evaluated through volume 110 of 1989.
E-bok
PDF, Engelska, 2013687 kr
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Häftad, Engelska, 2013
812 kr
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FoLLowing the first synthesis of an organoLead compound by Loewig in 1852, progress sLowed markedLy in organoLead chemistry. Then, the discovery of the outstanding performance of organoLead compounds as antiknock additives to automobiLe gasoline turned organoLead chemistry into one of the main areas of organometallic chemistry. Large-scaLe industriaL procedures for synthesizing tetraethyLLead and other tetraaLkyLLead compounds and entireLy new techniques, such as handling Large amounts of sodium-Lead aLLoys or eLectroLyzing Grignard soLutions, were deveLoped, and many other industriaL projects as weLL as toxicoLogicaL and environmentaL studies brought a tremendous increase of knowLedge. Therefore, a compiLation of the avaiLabLe data in organoLead chemistry seemed justified. In the present series onLy compounds containing at Least one Lead-to-carbon bond are considered; the simpLe inorganic cyanides, carbides, etc. , are excLuded. The materiaL is organized as foLLows: 1. MononucLear compounds (compounds containing onLy one Lead atom) 2. DinucLear compounds 3.OLigo-and poLynucLear compounds Within the group of mononucLear compounds the materiaL is arranged in a simiLar way as in the GmeLin voLumes of the sister eLement tin, that is: 1. 1 * Compounds containing four Pb-C bonds 1. 2 Compounds containing Pb-H bonds 1. 3 Compounds containing bonds between Lead and group 17 eLements 1. 4 Compounds containing bonds between Lead and group 16 eLements 1. 5 Compounds containing bonds between Lead and group 15 eLements 1. 6 Compounds containing bonds between Lead and Si, Ge, or Sn 1.