Results 211 to 220 of about 27,185 (266)
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Oxidation of sulfur hexafluoride
Journal of Inorganic and Nuclear Chemistry, 1969Abstract Although SF 6 is extraordinarily inert toward oxygen, reaction can be initiated by the electrical explosion of extremely small masses of platinum into SF 6 O 2 mixtures. It is shown that chemically trivial amounts of exploding metal can be effective initiators of the SF 6 oxidation.
Bernard Siegel, Peter Breisacher
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2015
AbstractThe asymmetric biocatalytic oxidation of sulfides can be performed with high enantioselectivity by a number of different enzymes, allowing access to biologically active compounds including flavors and pharmaceuticals, and also chiral auxiliaries for organic synthesis.
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AbstractThe asymmetric biocatalytic oxidation of sulfides can be performed with high enantioselectivity by a number of different enzymes, allowing access to biologically active compounds including flavors and pharmaceuticals, and also chiral auxiliaries for organic synthesis.
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Desulfurication and Sulfur Oxidation
1977Brackish water areas such as estuaries and fjords often create favorable conditions for the activity of sulfate-reducing bacteria in the marine environment.
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1999
Publisher Summary This chapter describes the effect of sulfur dioxide (SO 2 ) on health. The toxicologically significant sulfur oxides are the gaseous SO 2 , produced primarily from combustion sources, and sulfuric acid and ammonium bisulfate, the secondarily derived particulate strongly acidic sulfates.
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Publisher Summary This chapter describes the effect of sulfur dioxide (SO 2 ) on health. The toxicologically significant sulfur oxides are the gaseous SO 2 , produced primarily from combustion sources, and sulfuric acid and ammonium bisulfate, the secondarily derived particulate strongly acidic sulfates.
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Comments on Inorganic Chemistry, 1982
Abstract Within the last decade the number of simple, nonpolymeric sulfur oxides has tripled, and sulfur is now the element with the largest number of oxides. Excluding polymeric compounds, five binary sulfur-oxygen compounds were known in 1970: the short-lived, di-atomic sulfur monoxide (SO), the well known sulfur dioxide (SO2), two molecular forms of
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Abstract Within the last decade the number of simple, nonpolymeric sulfur oxides has tripled, and sulfur is now the element with the largest number of oxides. Excluding polymeric compounds, five binary sulfur-oxygen compounds were known in 1970: the short-lived, di-atomic sulfur monoxide (SO), the well known sulfur dioxide (SO2), two molecular forms of
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2000
Sulfur oxides comprise both gaseous and particulate chemical species. There are four of the former, namely sulfur monoxide, sulfur dioxide, sulfur trioxide and disulfur monoxide. The particulate phase sulfur oxides consist of strongly-to-weakly acidic sulfates, namely sulfuric acid (H2SO4) and its products of neutralization with ammonia: letovicite ...
Richard B. Schlesinger +2 more
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Sulfur oxides comprise both gaseous and particulate chemical species. There are four of the former, namely sulfur monoxide, sulfur dioxide, sulfur trioxide and disulfur monoxide. The particulate phase sulfur oxides consist of strongly-to-weakly acidic sulfates, namely sulfuric acid (H2SO4) and its products of neutralization with ammonia: letovicite ...
Richard B. Schlesinger +2 more
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Sulfur Oxides and Particulates
SAE Technical Paper Series, 1971<div class="htmlview paragraph">The effects of sulfur oxide pollution are discussed, with reference to the literature. Levels of sulfur oxide and particulates in the air are determined for different areas, and many geographic comparisons are made.
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1984
Publisher Summary This chapter discusses oxidation of sulfur (S) in soils. Soils throughout the world are increasingly recognized as being S deficient, and deficiencies in the element are even appearing in soils in countries where such deficiencies were previously unknown.
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Publisher Summary This chapter discusses oxidation of sulfur (S) in soils. Soils throughout the world are increasingly recognized as being S deficient, and deficiencies in the element are even appearing in soils in countries where such deficiencies were previously unknown.
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Photolithotrophic Sulfur Oxidation
1981The utilization of sulfur Compounds (at oxidation levels below that of sulfate) as electron donors in anoxygenic photosynthesis is — though to a different extent — common to most groups of phototrophic prokaryotes (cf. Tables 1 and 2). Classical in this respect are the purple and green sulfur bacteria (Chromatiaceae and Chlorobiaceae) all of which ...
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