This paper summarizes the National Association of Corrosion Engineers(NACE) T 3A-8f Work Group's efforts to develop a laboratory technique to evaluate the efficacy of calcium carbonate threshold inhibitors used in cooling water applications. The test procedure developed incorporates a synthetic cooling water at a typical cooling system temperature. However, factors such as fluid dynamics and heat transfer are not considered under the static conditions of the test procedure. Two (2) round-robin programs of a proposed test method, statistical analyses of the data, and conclusions are discussed.

Subject
Water, Inhibitor performance, Precipitation (solids), Alkalinity, Laboratory data, Calcium carbonate, Scale inhibitors, Iron, Solubility, Inhibitor treatment, Corrosion inhibitors, Magnesium, Cooling water
© 1988 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).
1988
Association for Materials Protection and Performance (AMPP)
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