1、STP 1056 The Measurement and Correction of Electrolyte Resistance in Electrochemical Tests L.L.Scribner and S.R.Taylor,editors ASTM 1916 Race Street Philadelphia,PA 19103 Llbrary oF Congress Cataloging-in-Publication Data The Measurement and correction oF electrolyte resistance in electrochemical te
2、sts/L.L.Scrlbner and S.R.Taylor,editors.(STP;1056)Papers presented at the Symposium on Ohmic Electrolyte Resistance Measurement and Compensation,held at Baltimore,MD,1988;sponsored by ASTR Committees G-1 on Corrosion oF Metals and G1.11 on Electrochemical Measurements In Testing.Includes btbllograph
3、ica references.ISBN 0-8091-1283-1 1.Electrolytes-Conductivity-Measurement-Congresses.2.Electric measurements-Congresses,3.ElecTric resistance-Measurement-Congresses.I.Scrlbner,L.L.(Louis L.),1944-II.Taylor,S.R.(S.Ray),1953-.III.American Society For Testing and Materials.Committee G-1 on Corrosion OF
4、 Metals.IV.ASTM Committee G-11 on Electrochemical Measurements In Testing.V.Symposium on Ohmlc Electrolyte Resistance Measurement and Compensation(1988:Baltimore,Hd.)VI.Series=ASTM special technical paper;1056.QD565.M43 1990 B41.372-dc20 89-19922 CIP Copyright?9 by AMERICAN SOCIETY FOR TESTING AND M
5、ATERIALS 1990 NOTE The Society is not responsible,as a body,for the statements and opinions advanced in this publication.Peer Review Policy Each paper published in this volume was evaluated by three peer reviewers.The authors addressed all of the reviewers comments to the satisfaction of both the te
6、chnical editor(s)and the ASTM Committee on Publications.The quality of the papers in this publication reflects not only the obvious efforts of the authors and the technical editor(s),but also the work of these peer reviewers.The ASTM Committee on Publications acknowledges with appreciation their ded
7、ication and contribution of time and effort on behalf of ASTM.Printed in Baltimore,MD January 1990 Foreword The Symposium on Ohmic Electrolyte Resistance Measurement and Compensation was held at Baltimore,MD on 17 May 1988.ASTM Committees G-1 on Corrosion of Metals and G 1.11 on Electrochemical Meas
8、urements in Testing sponsored the symposium.L.L.Scribner and S.R.Taylor,University of Virginia,served as chairmen of the symposium and are editors of the resulting publication.Copyright by ASTM Intl(all rights reserved);Thu Dec 31 14:29:58 EST 2015Downloaded/printed byUniversity of Washington(Univer
9、sity of Washington)pursuant to License Agreement.No further reproductions authorized.Contents Overview THEORY Influence of Electrolyte Resistance on Electrochemical Measurements and Procedures to Minimize or Compensate for Resistance Errors-HARVEY P.HACK,PATRICK J.MORAN,AND JOHN R.SCULLY IR Drop in
10、Electrochemical Corrosion StudiesmPart I:Basic Concepts and Estimates of Possible Measurement Errors-WILLIAM C.EHRHARDT 27 CRITICAL COMPARISONS OF METHODS Theoretical Problems Related to Ohmic Resistance Compensation-KEMAL NISANCIOGLU IR Drop in Electrochemical Corrosion StudiesmPart 2:A Multiple Me
11、thod IR Compensation System-WILLIAM C.EHRHARDT Determination and Elimination of the Uncompensated Resistance in Low Conductivity Media-FLORIkN MANSFELD,Y.C.CHEN,AND H.SHIH 61 78 95 MATHEMATICAL APPROACHES Correction of Experimental Data for the Ohmic Potential Drop Corresponding to a Secondary Curre
12、nt Distribution on a Disk ElectrodemJ.MATTHEW ESTEBAN,MARK LOWRY,AND MARK E.ORAZEM Application of Numerical Simulations to Evaluate Components of Potential Difference in Solution-VINCENT FAROZIC AND GEOFFREY PRENTICE 127 142 APPLICATIONS Ohmic Compensation in Desert Soil Using a Galvanostatic DC Bri
13、dge-DANIEL ABRAHAM,DENNY A.JONES,MICHAEL R.WHITBECK,AND CLINTON M.CASE 157 Copyright by ASTM Intl(all rights reserved);Thu Dec 31 14:29:58 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.vi CONTENTS Meas
14、urements of IR-Drop Free Pipe-to-Soil Potentials on Buried Pipelines-NElL G.THOMPSON AND JOHN A.BEAVERS Elimination of IR Error in Measurements of Corrosion in Concrete-E.ESCALANTE Comparison of Current Interruption and Electrochemical Impedance Techniques in the Determination of Corrosion Rates of
15、Steel in Concrete-NEAL S.BERKE,DING FENG SHEN,AND KATHLEEN M.SUNDBERG Measurement of the Components of the Ohmic Resistance in Lithium/Iodine(P2VP)Batteries-c.c.STREINZ,R.G.KELLY,P.J.MORAN,J.JOLSON,J.R.WAGGONER,AND S.WICELINSKI The Importance of Ohmic Potential Drop in Crevice Corrosion-BARBARA A.SH
16、AW Index 168 180 191 202 211 221 Copyright by ASTM Intl(all rights reserved);Thu Dec 31 14:29:58 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.STP1056-EB/Jan.1990 Overview The measurement of any electrode potential includes an error caused by a voltage drop through the electrolyte.This error is caused by the inherent resistance(IR)of the solution and is proportional to the cell current.It has there
