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  • 1980-1984  (13)
  • 1975-1979  (7)
  • 1960-1964  (1)
  • 11
    Electronic Resource
    Electronic Resource
    The role of surface texture and anode-cathode size ratios on mass transfer in undivided electrochemical reactors (1980)
    Springer
    Journal of applied electrochemistry 10 (1980), S. 635-647 
    Details
    ISSN: 1572-8838
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Electrical Engineering, Measurement and Control Technology
    Notes: Abstract The performance of undivided cells with disparate anode-cathode ratios was studied using cerium (IV) reduction as a test reaction. The effects of electrode material and surface texture are reported. Results have been fitted to a computer-based model, and the role of bubble evolution and electrode coverage by bubbles is considered. Results are contrasted with those of a similar study using hypochlorite formation, which can give qualitatively different results.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00615487
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    Paper (German National Licenses)
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  • 12
    Electronic Resource
    Electronic Resource
    Formation of sorbitol by cathodic reduction of glucose (1981)
    Springer
    Journal of applied electrochemistry 11 (1981), S. 261-267 
    Details
    ISSN: 1572-8838
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Electrical Engineering, Measurement and Control Technology
    Notes: Abstract The steady-state formation of sorbitol by cathodic reduction of glucose was studied in a parallel-plate reactor of 200 cm2 electrode area. Earlier work was extended to explore the effect of flow rate, pH and current density. The effect of temperature between 20° and 47° C and the use of amalgamated lead as compared with chemical lead and other metals is discussed. It is shown that addition of Zn2+ ions accelerates the reaction and the reasons for this are discussed. The implications for industrial application are considered.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00610988
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    Paper (German National Licenses)
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  • 13
    Electronic Resource
    Electronic Resource
    The electrodeposition of copper-silver and copper-nickel alloy powders from aqueous ammoniacal solutions (1984)
    Springer
    Journal of applied electrochemistry 14 (1984), S. 605-613 
    Details
    ISSN: 1572-8838
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Electrical Engineering, Measurement and Control Technology
    Notes: Abstract The electrodeposition of copper-silver and copper-nickel powders from aqueous ammoniacal solutions at a continuously scraped rotating cylinder cathode is described. Ag-Cu powders can be prepared under these conditions, but the individual particles are inhomogeneous and the extent of this inhomogeneity is examined. Surface areas (from BET) and particle size distributions are reported, and the morphology is considered. Cu-Ni powders deposited under these conditions are heavily contaminated with oxide/ hydroxides and this is attributed to an increase in near-cathode pH.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00626304
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    Paper (German National Licenses)
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  • 14
    Electronic Resource
    Electronic Resource
    Einige Physikalische Eigenschaften Grosser CdS-Einkristalle (1963)
    Springer
    Czechoslovak journal of physics 13 (1963), S. 182-187 
    Details
    ISSN: 1572-9486
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The author grew CdS single crystals by his own method which is described here in addition to other methods. The material was either prepared by the author or commercial luminescence-pure material was used. The amount of impurities in the commercial material was an order higher than in the author's own material. It was found that the physical properties (e.g. hole density) are worse in large single crystals than in crystals with a mosaic structure. For this reason it is thought that some of the properties are caused by stoichiometric deviations and other by defects in the crystal lattice. In this case impurification plays only a secondary role.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01875265
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    Paper (German National Licenses)
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  • 15
    Electronic Resource
    Electronic Resource
    The release of organic species from the glass-ionomer cements (1983)
    Springer
    Journal of materials science 2 (1983), S. 224-228 
    Details
    ISSN: 1573-4811
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00725626
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    Paper (German National Licenses)
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  • 16
    Electronic Resource
    Electronic Resource
    Some further factors affecting the solubility of silicate cements (1983)
    Springer
    Journal of materials science 2 (1983), S. 191-194 
    Details
    ISSN: 1573-4811
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00725616
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  • 17
    Electronic Resource
    Electronic Resource
    The preparation and behaviour of magnetite anodes (1978)
    Springer
    Journal of applied electrochemistry 8 (1978), S. 327-332 
    Details
    ISSN: 1572-8838
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Electrical Engineering, Measurement and Control Technology
    Notes: Abstract A short review of the methods of preparation of magnetite anodes and the physico-chemical properties of Fe3O4 is followed by experimental results using chlorine evolution as a test reaction. Problems arising in the operation of composite magnetite-titanium structures are considered.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00612686
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    Paper (German National Licenses)
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  • 18
    Electronic Resource
    Electronic Resource
    A multi-purpose microprocessor-based electrochemical apparatus (1978)
    Springer
    Journal of applied electrochemistry 8 (1978), S. 437-443 
    Details
    ISSN: 1572-8838
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Electrical Engineering, Measurement and Control Technology
    Notes: Abstract A microprocessor-linked programmable calculator instrument is described. Current-voltage readings taken at predetermined intervals of time can be read, stored and passed to the calculator where they may be processed to yield Tafel slope data, ohmic drops, areas under curves (for cyclic voltammetry) or used in open-circuit decay calculations. The results may also be fed to a paper-tape punch for storage or graphplotting using a larger computer.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00615839
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    Paper (German National Licenses)
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  • 19
    Electronic Resource
    Electronic Resource
    The role of electrode structure and surface texture in the performance of gas evolving electrodes (1979)
    Springer
    Journal of applied electrochemistry 9 (1979), S. 765-775 
    Details
    ISSN: 1572-8838
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Electrical Engineering, Measurement and Control Technology
    Notes: Abstract The literature on gas-evolving electrodes is reviewed. Cell voltage measurements are reported for an undivided cell in NaOH at 70° C in which the cathode was mild steel plate, mild steel mesh or composites of both these materials. The anode was Ni-plated mild steel sheet or mesh. Variation in the structure of one electrode, leaving the other unchanged allowed changes in overvoltage to be measured. It is shown that substantial voltage reductions can be obtained using multiplex electrode structures and that these are mainly explicable in terms of specific surface areas. Sheet electrodes are seen to be more efficient than mesh ones on this basis however. It is shown that sheet electrodes with very high specific surface areas show significantly higher overvoltages than electrodes of low specific area and this surprising result is interpreted in terms of bubble entrapment.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00614972
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  • 20
    Electronic Resource
    Electronic Resource
    Current efficiency losses in indirect electrochemical processing (1979)
    Springer
    Journal of applied electrochemistry 9 (1979), S. 777-782 
    Details
    ISSN: 1572-8838
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Electrical Engineering, Measurement and Control Technology
    Notes: Abstract The various reasons for current efficiency losses in indirect electrochemical processing are considered. Using the Cr(VI) oxidation ofo-toluene sulphonamide as a model, it is shown that accretion of organic residues is an important factor contributing to current efficiency losses. Other evidence is provided to suggest that film formation on the electrode surface acts selectively to promote oxygen evolution rather than Cr(III) re-oxidation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00614973
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    Paper (German National Licenses)
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