Standard Historical Last Updated: Jan 18, 2024 Track Document
ASTM D3838-05(2017)

Standard Test Method for pH of Activated Carbon

Standard Test Method for pH of Activated Carbon D3838-05R17 ASTM|D3838-05R17|en-US Standard Test Method for pH of Activated Carbon Standard new BOS Vol. 15.01 Committee D28
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Significance and Use

4.1 When a fluid containing an adsorbate is passed through a bed of activated carbon, chemical reactions may take place between the activated carbon, its other noncarbonaceous constituents, and the adsorbate-containing fluid. The pH of the carbon may be a significant parameter of such a reaction and therefore may be an important characteristic of the carbon.


1.1 This test method covers determination of the pH of a water extract of activated carbon.

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 and health practices and determine the applicability of regulatory limitations prior to use. For specific hazard statements, see Section 6.

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Book of Standards Volume: 15.01
Developed by Subcommittee: D28.02
Pages: 3
DOI: 10.1520/D3838-05R17
ICS Code: 75.160.10