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  • 1
    Electronic Resource
    Electronic Resource
    Estimation of the rate constant for the reaction of acid sulphate aerosol with NH3 gas from atmospheric measurements (1992)
    Springer
    Journal of atmospheric chemistry 15 (1992), S. 133-143 
    Details
    ISSN: 1573-0662
    Keywords: Reaction rate constant ; ammonia ; acidic aerosols ; denuder sampler
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Geosciences
    Notes: Abstract Horizontal gradients in atmospheric aerosol strong acidity have been interpreted in terms of the rate of neutralisation of aerosol H+ by gaseous ammonia. The results indicate a pseudo-first-order rate constant for this reaction within the range 4×10-6 s-1 to 4.1×10-4 s-1 consistent with model results and experimental data derived by other methods. The rate constant is reduced as the aerosol becomes less acidic, which is reflected in a positive correlation between rate constant and aerosol H+/NH4 + ratio.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00053755
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Speciation of butyltin compounds in oyster samples (1988)
    New York, NY [u.a.] : Wiley-Blackwell
    Applied Organometallic Chemistry 2 (1988), S. 151-157 
    Details
    ISSN: 0268-2605
    Keywords: Speciation ; gas chromatography ; quartz furnace atomic absorption spectrometry ; butyltin compounds ; oyster samples ; mixed methylbutyltin compounds ; Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Experimental instrumentation for the speciation of butyltin compounds by hydride generation and gas chromatography-quartz furnace atomic absorption spectrometry is described. Evaluation of a number of extraction methods revealed that simple acid leaching of oyster samples gave adequate recoveries. The levels of each butyltin species in oyster flesh and gill are reported together with the tentative identification of a mixed methylbutyltin compound.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aoc.590020209
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    Paper (German National Licenses)
    Fulltext
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