NACE TM0190-2022

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NACE TM0190-2022

Reaffirmed March 29, 2022

Impressed Current Laboratory Testing of

Aluminum and Zinc Alloy Anodes

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.

NACE TM0190-2022

Impressed Current Laboratory Testing of

Aluminum and Zinc Alloy Anodes

This AMPP standard represents a consensus of those individual members who have reviewed this document, its scope,

and provisions. Its acceptance does not in any respect preclude anyone, whether he or she has adopted the standard

or not, from manufacturing, marketing, purchasing, or using products, processes, or procedures not in conformance with

this standard. Nothing contained in this AMPP standard is to be construed as granting any right, by implication or other-

wise, to manufacture, sell, or use in connection with any method, apparatus, or product covered by Letters Patent, or as

indemnifying or protecting anyone against liability for infringement of Letters Patent. This standard represents minimum

requirements and should in no way be interpreted as a restriction on the use of better procedures or materials. Neither

is this standard intended to apply in all cases relating to the subject. Unpredictable circumstances may negate the use-

fulness of this standard in specific instances. AMPP assumes no responsibility for the interpretation or use of this stan-

dard by other parties and accepts responsibility for only those official AMPP interpretations issued by AMPP in accor-

dance with its governing procedures and policies which preclude the issuance of interpretations by individual volunteers.

Users of this AMPP standard are responsible for reviewing appropriate health, safety, environmental, and regulatory

documents and for determining their applicability in relation to this standard prior to its use. This AMPP standard may

not necessarily address all potential health and safety problems or environmental hazards associated with the use of

materials, equipment, and/or operations detailed or referred to within this standard. Users of this AMPP standard are

also responsible for establishing appropriate health, safety, and environmental protection practices, in consultation with

appropriate regulatory authorities, if necessary, to achieve compliance with any existing applicable regulatory require-

ments prior to the use of this standard.

CAUTIONARY NOTICE: AMPP standards are subject to periodic review and may be revised or withdrawn at any time

in accordance with AMPP technical committee procedures. AMPP requires that action be taken to reaffirm, revise, or

withdraw this standard no later than five years from the date of initial publication and subsequently from the date of each

reaffirmation or revision. The user is cautioned to obtain the latest edition. Purchasers of AMPP standards may receive

current information on all standards and other AMPP/NACE/SSPC publications by contacting AMPP Customer Support,

15835 Park Ten Place, Houston, Texas 77084-5145 (Tel: +1 281-228-6200, email: customersupport@ampp.org).

Document History

2022-03-29: Reaffirmed by AMPP Standards Committee (SC) 01, “Cathodic/Anodic Protection”

2017-03-23: Reaffirmed by NACE Specific Technology Group (STG) 30, “Oil and Gas Production: Cathodic Protection”

2012-10-05: Revised by NACE Task Group (TG) 459, “Review and Revise as Necessary NACE Standard TM0190-2006”

2006-07-18: Reaffirmed by NACE STG 30

1998-06-26: Revised by NACE TG T-7L-2, “Aluminum Anode Quality Control”

1990-04: Developed by NACE TG T-7L-2 in conjunction with ASTM(1) TG G01-09-02 T-1

(1) ASTM International (ASTM), 100 Barr Harbor Dr., West Conshohocken, PA, 19428-2959, www.astm.org.

AMPP values your input. To provide feedback on this standard, please contact: standards@ampp.org

NACE TM0190-2022

Impressed Current Laboratory Testing of

Aluminum and Zinc Alloy Anodes

Foreword ........................................................................................................................................................................ 4

Section 1 General .................................................................................................................................................................... 5

Section 2 Summary of Test Method .......................................................................................................................... 6

Section 3 Test Apparatus .......................................................................................................................................... 6

Section 4 Reagents .................................................................................................................................................. 9

Section 5 Preparation of Test Specimens ............................................................................................................... 10

Section 6 Preparation of Apparatus for Test ........................................................................................................... 10

Section 7 Procedure ...............................................................................................................................................

Section 8 Calculation of

Efficiency

....................................................................................................................................... 13

References ................................................................................................................................................................... 14

Bibliography .................................................................................................................................................................. 14

Figures

Figure 1 Hydrogen Evolution Test Set-Up............................................................................................................... 7

Figure 2 Alternate Test Cell Set-Up (Without Hydrogen Evolution Test) ................................................................. 8

Figure 3 Sacrificial Copper Plate and Copper Coulometer .............................................................................................. 8

Figure 4 Wiring Diagram ......................................................................................................................................... 9

Tables

Table 1 Nominal Alloy Composition Ranges for Anodes Tested (%)

...................................................................... 5

Table 2 Range of Evaluation Results .................................................................................................................... 5

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摘要：

NACE TM0190-2022 是国际腐蚀工程师协会（NACE International，现为AMPP旗下标准）发布的最新版标准，全称为“Standard Test Method for Evaluating the Performance of Protective Coatings for Use in Atmospheric Exposure Conditions”。该标准详细规定了用于评估大气暴露条件下防护涂层性能的加速试验方法，包括盐雾、湿度、紫外线暴露及循环老化等测试条件与评判准

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