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The increased utilization of electrochemical noise measurement in corrosion research and industrial process monitoring prompted the formation in 1991 of an ASTM Task Group within the G1 Corrosion of Metals Committee. The scope of the task group was to “develop standards that describe instruments and methods for making and analyzing electrochemical noise measurements.” Task group activities are focused exclusively on measurements to be made in the laboratory. The initial goal has been to develop consensus on: (a) terminology, (b) specifications and configurations for laboratory instrumentation, (c) laboratory apparatus, and (d) data analysis methods. A round robin was also organized to develop a body of data on different material/environment systems using a variety of instrument configurations and data analysis techniques. A guide for making valid electrochemical noise results is being prepared based on the round robin results. The status of the effort to address these and other standardization issues within the ASTM G1.11.04 Task Group on Electrochemical Noise Measurement will be presented.

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