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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 .
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D1193 Specification for Reagent Water
D1293 Test Methods for pH of Water
D2867 Test Methods for Moisture in Activated Carbon
D6851 Test Method for Determination of Contact pH with Activated Carbon
E300 Practice for Sampling Industrial Chemicals
ICS Number Code 75.160.10 (Solid fuels)
|Link to Active (This link will always route to the current Active version of the standard.)|
ASTM D3838-05(2017), Standard Test Method for pH of Activated Carbon, ASTM International, West Conshohocken, PA, 2017, www.astm.orgBack to Top