This paper presents the results from ten years of stability testing of commercial silver/silver chloride, manganese oxide and graphite embedded reference electrodes used in reinforced concrete structures. Tests were performed in chloride-free and chloride-contaminated slabs exposed to the weather in the northeastern United States. Also included is the effect on potential readings of IR drops caused by corrosion of an embedded rebar.

Subject
Voltage drops, Electrochemical cells, Rebar, Tubes, Reference electrodes, Potential measurements, Graphite, Slabs, Backfill, Chlorides, Electrodes, Concrete, Electrode potential
Keywords:
Reference Electrodes, Reinforced Concrete, Silver Chloride, Graphite, Manganese Oxide, Stability, Long-term Testing
© 2001 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).
2001
Association for Materials Protection and Performance (AMPP)
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