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  • 1
    Online Resource
    Online Resource
    Transformation Processes of Metals in Urban Road Dust : Implications for Stormwater Reuse (2020)
    Singapore : Springer Singapore | Singapore : Imprint: Springer
    Details Availability
    Keywords: Water pollution ; Water quality ; Engineering geology ; Engineering—Geology ; Foundations ; Hydraulics
    Description / Table of Contents: Chapter 1: Metals in urban stormwater environments -- Chapter 2: Research design -- Chapter 3: Metal transformation and stormwater quality -- Chapter 4: Risk evaluation based on the metal transformation and bioavailability -- Chapter 5: Practical implications and recommendation for future research -- Appendices -- Index.
    Type of Medium: Online Resource
    Pages: 1 Online-Ressource(VI, 50 p.)
    Edition: 1st ed. 2020.
    ISBN: 9789811520785
    Series Statement: SpringerBriefs in Water Science and Technology
    URL: https://doi.org/10.1007/978-981-15-2078-5
    DOI: 10.1007/978-981-15-2078-5
    Language: English
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  • 2
    Online Resource
    Online Resource
    Transformation Processes of Metals in Urban Road Dust : Implications for Stormwater Reuse. (2020)
    Singapore :Springer Singapore Pte. Limited,
    Details
    Keywords: Runoff. ; Runoff-Purification. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (56 pages)
    Edition: 1st ed.
    ISBN: 9789811520785
    Series Statement: SpringerBriefs in Water Science and Technology Series
    URL: https://ebookcentral.proquest.com/lib/geomar/detail.action?docID=5990288
    DDC: 551.48800000000006
    Language: English
    Note: Intro -- Contents -- 1 Metals in the Urban Stormwater Environment -- 1.1 Background -- 1.2 Metals in Urban Roads -- 1.3 Understanding the Behavioural Changes of Metals and Potential Stormwater Quality Impacts -- 1.3.1 Adsorption -- 1.3.2 Surface Precipitation -- 1.3.3 Oxidation-Reduction -- 1.4 Factors Influencing Metal Transformation -- 1.4.1 Physicochemical Properties of Road Dust -- 1.4.2 Environmental Factors -- 1.5 Summary -- References -- 2 Research Design for Investigating Metal Transformations on Urban Roads -- 2.1 Background -- 2.2 Study Area and Study Sites -- 2.3 Sample Collection -- 2.3.1 Study Plot -- 2.3.2 Road Dust Sample Collection -- 2.3.3 Sample Handling, Storage and Subsampling -- 2.4 Laboratory Analyses -- 2.4.1 Selection of Test Parameters -- 2.4.2 Analysis of Metals -- 2.4.3 Analysis of Physicochemical Properties of Road Dust -- 2.4.4 Quality Control and Quality Assurance -- 2.5 Summary -- References -- 3 Metal Transformation and Stormwater Quality -- 3.1 Background -- 3.2 Relationships Between Mobility and Bioavailability of Metals and Geochemical Fractions -- 3.3 Influence of Particle Size of Road Dust on Geochemical Behaviour of Metals -- 3.4 Time Dependent Metal Transformation -- 3.4.1 Transformation of Zn -- 3.4.2 Transformation of Cu -- 3.4.3 Transformation of Pb -- 3.4.4 Transformation of Cd -- 3.5 Influence of Metal Transformation and Mobility on Stormwater Quality -- 3.6 Summary -- References -- 4 Assessment of Human Health Risks from Metals in Urban Stormwater Based on Geochemical Fractionation and Bioavailability -- 4.1 Background -- 4.2 Risk Indices -- 4.2.1 Human Health Risk Indices -- 4.2.2 Drawbacks in Classical Risk Indices -- 4.3 Assessing Metal Concentration in Stormwater Using Metal Build-Up Load -- 4.4 Human Health Risk Assessment -- 4.5 Summary -- References. , 5 Practical Implications and Recommendation for Future Research -- 5.1 Background -- 5.2 Implications of Research Outcomes -- 5.2.1 Implications Related to Transformation Processes of Metals -- 5.2.2 Implications Related to Human Health Risk Assessment of Metals in Stormwater -- 5.3 Recommendations for Future Research -- References -- Index.
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  • 3
    Electronic Resource
    Electronic Resource
    Oxidation of N-(2-hydroxyethyl)ethylenediamine triacetate by tris(polypyridy)iron(III) complexes and the dodecatungstocobaltate(III) ion (1993)
    Springer
    Transition metal chemistry 18 (1993), S. 475-477 
    Details
    ISSN: 1572-901X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary The stoichiometry, kinetics and mechanism of oxidation of N-(2-hydroxyethyl)ethylenediamine triacetate by K5CoIIIW12O40, Fe(phen) inf3 sup3+ and Fe(bipy) inf3 sup3+ have been studied. Each reaction is first order with respect to the oxidant and the reductant, but retarded by [H+] in the 0.20–1.60 mol dm −3 range. Simple electron exchanges are thought to occur, leading to the decarboxylation of the substrate.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00136607
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Oxidation of ethylenediaminetetraacetate by tris(diimine) iron(III) complexes and the dodecatungstocobaltate(III) ion: a comparative kinetic and mechanistic study (1994)
    Springer
    Transition metal chemistry 19 (1994), S. 151-153 
    Details
    ISSN: 1572-901X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary The stoichiometry and kinetics of the oxidation of ethyl-enediaminetetraacetate by [Fe(phen)3]3+, [Fe(bipy)3]3+ and [CoIIIW12O40]5− were studied in aqueous HClO4. Reaction rates were first order with respect to the oxidants and the reductant, and the dependence of the second order rate constant k 2 on [H+] is given by k 2 = a + b[H+ −. The primary products were CO2, CH2O and (CH2NH2)2. Schuster treatment is employed to show that the reactions occur by the outersphere mechanism.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00161877
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  • 5
    Electronic Resource
    Electronic Resource
    Electron transfer at tetrahedral cobalt(II). Part V: kinetics of permanganate ion reduction (1994)
    Springer
    Transition metal chemistry 19 (1994), S. 212-214 
    Details
    ISSN: 1572-901X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary The kinetics and mechanism of the reduction of MnO4 − by CoW12O4O6− in aqueous HC1O4 were studied. The reaction follows the rate law:-d[MnO inf4 sup− ]/dt = 5K a k[H+][MnO inf4 sup− ][CoW12O4O6−] with K a = 2.99 × 10−3mol−1 dm3 and k = 2.00 ± 0.02 × 103dm6mol−2s−1 at 25°C. Close agreement between k obs and k calc on the basis of Marcus theory suggest an outersphere mechanism operates. Alkali metal ions catalyse the reaction in the order K+ 〉 Na+ 〉 Li+ and this result has been rationalized.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00161892
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  • 6
    Electronic Resource
    Electronic Resource
    Electron transfer at an encapsulated cobalt(III) centre: kinetics of oxidation of thiourea and 1,1,3,3-tetramethyl-2-thiourea in aqueous acidic media (1994)
    Springer
    Transition metal chemistry 19 (1994), S. 253-256 
    Details
    ISSN: 1572-901X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary The stoichiometries, kinetics and mechanisms of oxidation of (NH2)2CS (1) and (Me2N)2CS (2) to the corresponding disulphides by CoIIIM (M = W12O40 ∞-) in aqueous HC1O4 were investigated. The reaction with (1) follows the empirical rate law- d[oxidant] = k[reductant][oxidant] where k = 12.5 ± 0.3 m−1 s−1 at 25° C, while that with (2) follows the equation- d[oxidant] = a + b [reductant] [reductant] [oxidant] where a = 5.4 × 104 M−1s−1 and b = 3.3 × 106M−2 s−1 at 25° C. Free radicals are important in the reactions and possible reaction mechanisms are suggested and discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00161901
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    Paper (German National Licenses)
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