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    Performance of an Enzyme Electrode Designed for a Sulfide Monitoring Biosensor (STP 1506)

    Published: January 01, 2009
    Author(s): R. Sooknah, Natural Resources Canada; S. Papavinasam, Natural Resources Canada; M. Attard, Natural Resources Canada; R.W. Revie, Natural Resources Canada; W.D. Gould, Natural Resources Canada; O. Dinardo, Orlando Natural Resources Canada

    The construction and evaluation of an enzyme electrode designed for a sulfide monitoring biosensor, are reported in this work. The enzyme, which is immobilized in a carbon (graphite) paste with 1,1 ′ dimeth-ylferrocene, catalyzes the oxidation of sulfide to...

    Technical paper from STP 1506 Advances in Electrochemical Techniques for Corrosion Monitoring and Measurement (ASTM International)

    Electrochemical Impedance Spectroscopy Measurement during Cathodic Disbondment Experiment of Pipeline Coatings (STP 1506)

    Published: January 01, 2009
    Author(s): S. Papavinasam, Natural Resources Canada; M. Attard, Natural Resources Canada; R.W. Revie, Natural Resources Canada

    Modified cathodic disbondment (CD) experiments were carried out over a period of 14 months using 13 coatings used to protect the external surfaces of oil and gas pipelines. During the experiments, electrochemical impedance spectroscopy (EIS) data were recorded,...

    Technical paper from STP 1506 Advances in Electrochemical Techniques for Corrosion Monitoring and Measurement (ASTM International)

    Author Index (STP 1506)

    Published: January 01, 2009

    Author Index

    Technical paper from STP 1506 Advances in Electrochemical Techniques for Corrosion Monitoring and Measurement (ASTM International)

    Measuring the Repassivation Potential of Alloy 22 Using the Potentiodynamic-Galvanostatic-Potentiostatic Method (STP 1506)

    Published: January 01, 2009
    Author(s): K.J. Evans; R.B. Rebak, Lawrence Livermore National Laboratory

    Traditionally, the susceptibility of Alloy 22 (N06022) to suffer crevice corrosion has been measured using the Cyclic Potentiodynamic Polarization (CPP) technique (ASTM G 61). When the alloy is not very susceptible to crevice corrosion, the values of...

    Technical paper from STP 1506 Advances in Electrochemical Techniques for Corrosion Monitoring and Measurement (ASTM International)

    Measurement of Corrosion Potentials of the Internal Surface of Operating High-Pressure Oil and Gas Pipelines (STP 1506)

    Published: January 01, 2009
    Author(s): A. Demoz, Natural Resources Canada; S. Papavinasam, Natural Resources Canada; K. Michaelian, Natural Resources Canada, R.W. Revie, Natural Resources Canada

    Corrosion potential is a fundamental electrochemical parameter critical to understanding the thermodynamic aspects of corrosion. Many corrosion theories are based on corrosion potentials. Corrosion potential is routinely and easily measured in the laboratory. In...

    Technical paper from STP 1506 Advances in Electrochemical Techniques for Corrosion Monitoring and Measurement (ASTM International)

    On Using Laboratory Measurements to Predict Corrosion Service Lives for Engineering Applications (STP 1506)

    Published: January 01, 2009
    Author(s): R.E. Ricker, National Institute of Standards and Technology

    Issues concerning corrosion service life predictions on the basis of laboratory measurements are examined. Models for corrosion service life prediction will reduce corrosion failures and operation costs by enabling better design, alloy selection, full life-cycle...

    Technical paper from STP 1506 Advances in Electrochemical Techniques for Corrosion Monitoring and Measurement (ASTM International)

    Electrochemical Quartz Crystal Microbalance Technique to Monitor External Polymeric Pipeline Coatings (STP 1506)

    Published: January 01, 2009
    Author(s): S. Papavinasam, Natural Resources Canada; M. Attard, Natural Resources Canada; R.W. Revie, Natural Resources Canada

    Electrochemical Quartz Crystal Microbalance (EQCM) can be used to monitor changes in several material properties, including mass, electrochemical, viscosity, adsorption, and deposition. In this paper, EQCM was evaluated to determine if it can monitor changes to...

    Technical paper from STP 1506 Advances in Electrochemical Techniques for Corrosion Monitoring and Measurement (ASTM International)

    Comparison of Measurements Provided by Several Corrosion Rate Meters with Modulated Confinement of the Current (STP 1506)

    Published: January 01, 2009
    Author(s): I. Martinez, Institute of Construction Science; C. Andrade, Institute of Construction Science; E. Marie-Victoire, Institut de Restauration; V. Bouteiller, Laboratoire Central des Ponts et Chaussées; N. Rebolledo, Institute of Construction Science

    The main difficulty for the application of Rp on site is the vanishing of the current with the distance which has been overcome with the use of a modulated confinement of the current only feasible if the guard ring is monitored during the...

    Technical paper from STP 1506 Advances in Electrochemical Techniques for Corrosion Monitoring and Measurement (ASTM International)

    Use of Coupled Multi-Electrode Arrays to Advance the Understanding of Selected Corrosion Phenomena (STP 1506)

    Published: January 01, 2009
    Author(s): H. Cong, University of Virginia; F. Bocher, University of Virginia; N.D. Budiansky, Exponent; M.F. Hurley, Boise State University; J.R. Scully, University of Virginia

    The use of coupled multi-electrode arrays in various corrosion applications is discussed with the main goal of advancing the understanding of various corrosion phenomena. Both close-packed and far-spaced electrode configurations are discussed. Far-spaced...

    Technical paper from STP 1506 Advances in Electrochemical Techniques for Corrosion Monitoring and Measurement (ASTM International)

    A Review of Coupled Multielectrode Array Sensors for Corrosion Monitoring and a Study on the Behaviors of the Anodic and Cathodic Electrodes (STP 1506)

    Published: January 01, 2009
    Author(s): L. Yang, Southwest Research Institute; K.T. Chiang, Southwest Research Institute

    Localized corrosion is often the cause of many failures and unplanned shutdowns in industry. For example, statistics have shown that more than 80 % of the corrosion-induced failures in the chemical processing industry are due to localized corrosion, rather than...

    Technical paper from STP 1506 Advances in Electrochemical Techniques for Corrosion Monitoring and Measurement (ASTM International)