The use of chromate as a corrosion inhibitor in near neutral aqueous cooling systems has generally been phased out because of the restrictions on discharge due to toxicity. This has resulted in the increased use of alternative inhibitor systems which have a more desirable toxicity profile. There are many different inhibitor types, therefore, the discussion has been limited to corrosion inhibitors of practical importance. A brief discussion of corrosion is given and the mechanisms of specific inhibitors on mild steel in neutral aqueous solutions are reviewed.

Subject
Water, Inhibitor performance, Corrosion rate, Calcium, Acidity, Phosphates, Film formation, Metals, Corrosion inhibitors, Steel, Zinc, Cathodic inhibitors, Anodic inhibitors
© 1989 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).
1989
Association for Materials Protection and Performance (AMPP)
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