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ASTM G51-23

Current Revision

Standard Test Method for Measuring pH of Soil for Use in Corrosion Testing

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1.1 This test method covers a procedure for determining the pH of a soil in corrosion evaluations. The principle use of the test is to supplement soil resistivity measurements and thereby identify conditions under which the corrosion of metals in soil may be accentuated (see G57 – 78 (2012)).

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.


4.1 Information on pH of soil is used as an aid in evaluating the corrosivity of a soil environment. Some metals are more sensitive to the pH of their environment than others, and information on the stability of a metal as a function of pH and potential is available in the literature.3

SDO ASTM: ASTM International
Document Number G51
Publication Date Nov. 1, 2023
Language en - English
Page Count 4
Revision Level 23
Supercedes
Committee G01.10
Publish Date Document Id Type View
Nov. 1, 2023 G0051-23 Revision
Nov. 1, 2018 G0051-18 Revision
May 1, 2012 G0051-95R12 Reaffirmation
Oct. 1, 2005 G0051-95R05 Reaffirmation
May 10, 2000 G0051-95R00 Reaffirmation