This paper presents measurements on probes consisting of a salt bridge and steel coupons. The probe allows consideration of voltage drops in pipeline potential measurements. Potential distribution on polarized coupons, size of the coupons, and salt bridge backfills are also discussed.

Subject
CP coupons, Voltage drops, Water, Salts, Cathodic protection, Probes, Tubes, Steel coupons, Pipelines, Potential measurements, Ports and harbors, Electrode potential, Coupons
Keywords:
cathodic protection measurement, protection criteria, voltage drop, probe, test station
© 1996 Association for Materials Protection and Performance (AMPP). All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means (electronic, mechanical, photocopying, recording, or otherwise) without the prior written permission of AMPP. Positions and opinions advanced in this work are those of the author(s) and not necessarily those of AMPP. Responsibility for the content of the work lies solely with the author(s).
1996
Association for Materials Protection and Performance (AMPP)
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