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ASTM G106-89(2023)

Current Reaffirmation

Standard Practice for Verification of Algorithm and Equipment for Electrochemical Impedance Measurements

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1.1 This practice covers an experimental procedure which can be used to check one's instrumentation and technique for collecting and presenting electrochemical impedance data. If followed, this practice provides a standard material, electrolyte, and procedure for collecting electrochemical impedance data at the open circuit or corrosion potential that should reproduce data determined by others at different times and in different laboratories. This practice may not be appropriate for collecting impedance information for all materials or in all environments.

1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.


5.1 The availability of a standard procedure, standard material, and standard plots should allow the investigator to check his laboratory technique. This practice should lead to electrochemical impedance curves in the literature which can be compared easily and with confidence.

5.2 Samples of a standard ferritic type 430 stainless steel (UNS 430000) used to obtain the reference plots are available for those who wish to check their equipment. Suitable resistors and capacitors can be obtained from electronics supply houses.

5.3 This test method may not be appropriate for electrochemical impedance measurements of all materials or in all environments.

SDO ASTM: ASTM International
Document Number G106
Publication Date June 1, 2023
Language en - English
Page Count 11
Revision Level 89(2023)
Supercedes
Committee G01.11
Publish Date Document Id Type View
June 1, 2023 G0106-89R23 Reaffirmation
Nov. 1, 2015 G0106-89R15 Reaffirmation
May 1, 2010 G0106-89R10 Reaffirmation
Nov. 1, 2004 G0106-89R04 Reaffirmation
Aug. 10, 1999 G0106-89R99 Reaffirmation